chapter six - mga guru

24
CHAPTER SIX A ROUGH GUIDE TO THE "NUTS AND BOLTS" OF AN MGA. This guide is very orientated to my own MGA, and that is :- a 1500 model Roadster left hand drive with early ten spline gearbox without torsion bar. (Although it is based on a 1500 it will still be a good guide for owners of 1600 and Mk.2's., Ed). As all these factors (and others) affect the numbers of bolts etc. Nuts, screws, bolts and washers inside the engine, gearbox, differential, etc. are not included. Neither are special types. Notes on nomenclature used by BMC. This refers to the nomenclature used by BMC in their service parts list (second edition), Feb. 1960. Page numbers refered to also refer to this edition. Bolts and set screws First letter. Second and H = hexagonal head C = countersunk head P = pan head third letters B = bolt S = set screw M = ? N = non coated Z = zinc coated P as second letter = pointed P as third letter = chrome plated Examples: HBZ HZS HPZ CMZ CPZ PMZ HNS CMP PMP First and second digit. Diameter of bolt or screw in sixteenths of an inch. 133

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Page 1: CHAPTER SIX - MGA Guru

CHAPTER SIX

A ROUGH GUIDE TO THE "NUTS AND BOLTS" OF AN MGA.

This guide is very orientated to my own MGA, and that is :-

a 1500 model Roadster left hand drive

with early ten spline gearbox

without torsion bar.

(Although it is based on a 1500 it will still be a good guide for

owners of 1600 and Mk.2's., Ed).

As all these factors (and others) affect the numbers of bolts etc.

Nuts, screws, bolts and washers inside the engine, gearbox,

differential, etc. are not included. Neither are special types.

Notes on nomenclature used by BMC.

This refers to the nomenclature used by BMC in their service parts

list (second edition), Feb. 1960. Page numbers refered to also

refer to this edition.

Bolts and set screws

First letter.

Second and

H = hexagonal head

C = countersunk head

P = pan head

third letters

B = bolt

S = set screw

M = ?

N = non coated

Z = zinc coated

P as second letter = pointed

P as third letter = chrome plated

Examples:

HBZ HZS HPZ CMZ CPZ PMZ HNS CMP PMP

First and second digit.

Diameter of bolt or screw in sixteenths of an inch.

133

Page 2: CHAPTER SIX - MGA Guru

NB. If second digit is a "2" it is not UNF but UNC No.6.

Third and fourth digit.

Length of bolt or screw in eighths of an inch, excluding the

head or

the length

point, on;y if it has a hexagonal head, otherwise it is

in sixteenths of an inch.

Eg. HBZ0509 = Hex headed bolt, zinc coated, 5/16" dia. 9/8" (1

long

CPZ0412 = Countersunk screw, pointed, zinc plated,4j16"(1j4")

dia.

12/16", (3/4") long.

Washers

First letter.

L = locking

P = plain

Second letter

W = washer

Third letter

N = non coated

Z = zinc coated

First digit

Plain washers

1 = small old

2 = large old

Spring washers

1 = thickness is 15% of i/d

2 = thickness is 20% of i/d

3 = thickness is 25% of i/d

Second and third digits

Diameter of bolt or screw in sixteenths of an inch.

Nuts

Letters used for the three common types:-

FNZ = full nut zinc (or probably fine nut zinc, UNF).

LNZ = locking nut zinc (nyloc).

CNZ = coarse nut zinc, UNC.

134

Page 3: CHAPTER SIX - MGA Guru

First digit

1 = thick

2 = thin

3 = slotted thick

4 = slotted thin

5 = (looks like a number 1 to me?)

Second and third digits.

Diameter of bolt or screw in sixteenths of an inch.

Nuts

Letters used for the three common types:-

FNZ = Full nut zinc or probably fine nut zinc, UNF

LNZ = Locking nut zinc (nyloc)

CNZ = Coarse nut zinc, UNC

First digit.

1 = Thick

2 = Thin

Diameter of bolt or screw in sixteenths of an inch.

New system

In the current cataloguesthere seem to be a blend of the new and

old nomenclature. However UNF bolts begin with BH6 and screws

begin with SH6 . Both always end with the number one and

otherwise follow a similar pattern to the old system. (UNC threads

use digitS instead of 6).

BOLT DIA.

1/4"

5/16"

3/8"

7/16"

1/2"

TPI

28

24

24

20

20

SPANNER SIZE A/F

7/16"

1/2"

9/16"

5/8" (NUTS

3/4"

11/16")

135

3 = Slotted thick

4 = Slotted thin

5 = Possibly No.1.

Second and third digits.

Page 4: CHAPTER SIX - MGA Guru

UNF 0 P BOLT

0- L-PARTNUMBER WASHERS NUTS

APPLlCA TIONPAGE QTYNEW OLD PLAIN SPRING FULL NYLOC

1/48 18 BH604081 HBZO408 M3 1I LWZ204I 1 FNZ104I 1 I 3 WAY PIECE BRAKE PIPE TO BACK AXLE

1/48 18 BH604081 HBZO408 R17 2 I LWZ204! 2 I I BONNETCATCH TO BODY

1/48 1.12S8 BH604091 HBZO409 02 2 I I FNZ104 I 2 I PETROL PUMP MTG.SPEClAL WASHER AJD7212+2 NUTS FNZ204

1/4" 28 BH604161 HBZO416 03 2 I LWZ204 I 2 FNZ104 I 2 I PETROL TANK REAR MOUNTING

1/48 2.7S8 BH604221 HBZO422 A18 1 PWZ104 I 1 LWZ204! 1 FNZ104 I 1 I REAR MOUNTINGEXHAUST TAIL PIPE

1/48 2.7S8 BH604221 HBZO422 03 2 PWZ104I 2 LWZ204 2 FNZ104 I 2 I PETROL TANK STRAP MOUNTINGASSEMBLY

1/48 4" BH604361 HBZO436 M1 1 I LWZ204 I 1 FNZ104 I 1 I FOR BRAKE PEDAL DISTANCETUBE

S/1681.12S"BH60S091 HBZOSO9 A11 2 I 2K5319 I 2 I I WATER PUMP BODY TO CRANKCASE (SHORT)

S/1681.12S8BH60S091 HBZOSO9 A12 1 I 2K5319 1I

LNZ205 1 DYNAMOTO BRACKET

S/16' 1.12S8BH605091 HBZOSO9 J2 2 I LWZ20512 I LNZ205I 2 STEERINGRACK TO BRACKET (FRONT)

S/168 1.2S8 BH60S101 HBZOS10 M4 1 I LWZ20511 FNZ105I 1 I FOR HANDBRAKEOPERATINGLEVER

S/168 1.5' BH60S121 HBZOS12 A11 2 2K5319 2 WATERPUMPBODY TO CRANKCASE (LONG>

S/168 1.5" BH60S121 HBZOS12 K3 4 PWZ106I 2 LWZ20514 FNZ105I 4 I FRONT SUSPENSIONCHECKRUBBERTO MEMBER

S/168 .62S BH60S131 HBZOS13 A7 2 I 2K4958I 2 I , ENGINEBLOCKSIDE COVER

5/168 .62S BH60S131 HBZOS13 A12 1 2K5319 1.

LNZ205 1 DYNAMOTO WATER PUMP

S/168 2.2S8 BH60S181 HBZOS18 J3 2 PWZ205' 4 LWZ205I 4 FNZ105 I 2 I STEERING CLAMPS

S/16' 2.7S8 BH60S221 HBZOS22 A18 1 I LWZ20511 FNZ105I 1 I BUSH AND HOUSINGTO EXHAUST PIPE AMIDSHIPS

3/88 1.2S8 BH606101 HBZO610 R12 4 PWZ106' 4 LWZ206 4'

WINDSCREENSTANCHIONTO BODY

3/88 h.62S BH606131 HBZO613 N2 2 I LWZ20612 I I STARTER MOTOR TO MOUNTING PLATE

3/88 h.87S BH6061S1 HBZO61S E2 2 I LWZ206 I 2 I I CLUTCHSLAVE CYLINDERTO GEARBOXUP TO CHASSIS21513

3/88 28 BH606161 HBZO616 R20 2 AHH5494I 2 LWZ206 2 IREAR BUMPER,OVERRIDERTO BUMPERBAR

3/88 2.58 BH606201 HBZO620 R20 2 AHH5494!2 LWZ206! 2 I ! FRONT BUMPER.OVERRIDERTO BUMPERBAR

3/88 2.7S8 BH606221 HBZO622 M1 1 I LWZ206 I 1 FNZ106 I 1 I BRAKE PEDAL BRACKET & DISTANCEWASHER185798

3/88 38 BH606241 HBZO624 M2 2 LWZ206I 2 FNZ106I 2 I

7/168 3.58 BH607281 HBZO728 L1 4 PWZ107I8 LWZ20714 FNZ107I 4 I REAR SHOCKABSORBERSTO FRAME

7/168 3.7S8 BH607301 HBZO730 R21 2 I LWZ207 I 2 FNZ107 I 2 I REAR BUMPER FIXING BRACKET TO FRAME

SEE SHEET 19 FOR TOTAL NUMBER OF BOLTS. SHEET 3

Page 5: CHAPTER SIX - MGA Guru

) -

UNF 0 BOLT

0" L"PART NUMBER WASHERS NUTS

APPLlCA TIONPAGE OTYNEW OLD PLAIN SPRING FULL NYLOC

7/16" 4" BH607321 HBZO732 R21 2 PWZ107I 2 LWZ207 12 FNZ107 I 2 IREAR BUMPERFIXINGBRACKET TO FRAME

112" 3.25" BH608261 HBZO826 A17 1 I LWZ20811 FNZ10811 I REAR ENGINE MOUNTING (GEARBOX)

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SEE SHEET 19 FOR TOTAL NUMBER OF BOLTS. SHEET 4, ,

Page 6: CHAPTER SIX - MGA Guru

UNF 0 SET SCREW

0" L"PART NUMBER WASHERS NUTS

APPLICATIONPAGE aTYNEW OLD PLAIN SPRING FULL NYLOC

1/4' 3/8' SH604031 HZSO403 A7 3 2KS197I 3 LWN204I 3 I ITIMINGCHAINCOVERTO ENGINEFRONT PLATE

1/4' 1/2" SH604041 HZSO404 A18 2 I LWZ204! 2 FNZ104 I 2 I EXHAUST-HOUSINGTO INTERMEDIATEFRAME

1/4' 1/2" SH604041 HZSO404 A18 4 I LWZ204 I 4 FNZ104 I 4 I EXHAUST-REAR MOUNTING TO FRAMEE FRAME

1/4' 5/8' SH604051 HZSO405 F2 6 I LWN204' 6 I I GEARBOX-EXTENSION SIDE COVER

1/4' 5/8" SH604051 HZSO405 M4 1 I LWZ2041 1 FNZ104 I 1 I REAR AXLE. HANDBRAKE-FORCOMPENSATINGLEVER

1/4' 5/8" SH604051 HZSO405 N6 4 PWZ204 4 LWZ204 r 4 r REARLlGHTS-PLlNTHTO REAR WING

1/4' 5/8" SH604051 HZSO405 R3 8 PWZ204 I 8 LWZ204 I 8 I I BODYSHELL-FIXINGREAR SPLASHPLATES

1/4' 5/8" SH604051 HZSO405 R4 4 PWZ204I 4 LWZ20414 I I BODYSHELL-FIXINGFRONT SPLASHPLATES

1/4' 5/8' SH604051 HZSO405 R18 2 PWZ204 .2 LWZ204 2 FNZ104 2 . BONNET STRIKER PIN TO LID

1/4' 3/4" SH604061 HZSO406 A7 2 2KS197I 2 LWN20412 I I TIMINGCHAIN COVERTO MAINBEARINGCAP

1/4' 3/4" SH604061 HZSO406 A12 4 I LWN20414 I I FAN BLADESTO PULLEY1/4' 3/4" SH604061 HZSO406 81 1 PWZ204 1 LWN204 1 FNZ104 1 IGNITIONCOILTO DYNAMOCLAMP

1/4' 3/4" SH604061 HZSO406 03 1 PWZ104I 1 I FNZ104I 1 I OIL GAUGEPIPE CONNECTORTO STARTER BRACKET

1/4' 7/8" SH604071 HZSO407 N8 4 I LWN20414 FNZ104I 4 I HORNTO BRACKET-TWOHORNS5/16" 1/2' SH605041 HZSO504 K3 2 LWZ20S 2 FRONT SUSPENSION-CHECKRUBBERTO MEMBER

5/16' 1/2" SH605041 HZSO504 M4 5 I LWZ20s15 FNZ10SI 5 I HANDBRAKE TO GEARBOX COVER

5/16" 1/2" SH605041 HZSO504 N10 1 I LWZ20S1 1 FNZ10SI 1 I BATTERYEARTHCABLE5/16" 5/8" SH605051 HZSO505 A18 1 PWZ10S' 1 LWZ20S 1 FNZ10S' 1

.EXHAUST-STRAPTO FRONTPIPE

5/16' 5/8" SH605051 HZSO505 03 2 I LWZ20s12 I I FUEL TANK-FRONT MOUNTING

5/16' 5/8' SH605051 HZSO505 H5 4 I LWZ205 I 4 I I REAR SPRINGS-SCREWFOR BUMP RUBBERTO FRAME

5/16' 5/8' SH605051 HZSO505 J3 1I

LWZ205 1 FNZ10SI 1 STEERINGCOLUMN-SEALAND RETAINER TO DASH

5/16' 5/8' SH605051 HZSO505 J3 2 I LWZ20s1 2 FNZ10S!2 I STEERINGCOLUMN-BLANKINGPLATE AND SEAL

5/16' 5/8' SH605051 HZSO505 M1 4 PWZ20S I 4 LWZ20SI 4 FNZ10SI 4 I BRAKE AND CLUTCHBOX TO BULKHEAD5/16' 5/8' SH605051 HZSO505 M3 1

ILWZ20S I 1 FNZ10S I 1

I FORTHREEWAYBRAKEPIECEAND CLIPTO BACKAXLE5/16" 5/8' SH605051 HZSO505 M4 3 I LWZ2os13 FNZ10SI3 I HANDBRAKETO GEARBOXCOVER

5/16' 5/8' SH605051 HZSO505 N8 4 I LWZ20S I 4 FNZ10S I 4 I HORN BRACKET TO L/H AND R/H FRONT EXTENSION

SEE SHEET 20 FOR TOTAL NUMBER OF THESE SCREWS SHEET 5

Page 7: CHAPTER SIX - MGA Guru

UNF OQc=D SCREWSET

0'5/16'5/16'5/16'5/16'5/16'5/16'5/16'5116'5/16'5/16'5/16'5/16'5/16'5/16'5/16'5/16'5/16'5/16'5/16'5/16'5/16'5/16'3/8'3/8'3/8'

L' :

PART NUMBER WASHERS NUTS I APPLlCA TIONPAGE aTYNEW OLD PLAIN SPRING FULL NYLOC I

5/8' SH605051 HZSOSO5 R19 2 PWZ10S I 2 LWZ20S I 2 FNZ20S I 2 IFIXING REAR NUMBER PLATE LAMP BRKT TO MOUNTING BRKT.

3/4' SH605061 HZSO506 A7 4 I LWZ30s1 4 I I ENGINE MOUNTING PLATE. REAR PLATE TO CRANKCASE.

3/4' SH605061 HZSO506 A7 5/3 I 2KS319 I 5/3 I I SCREW MTGPLATE TO CRANKCASE.aTY REDUCED AT GB2S9

3/4' SH60S061 HZSO506 A7 4 2F7440 I 4 LWN20S I 4 I I TIMINGCHAINCOVER TO CRANKCASE

3/4' SH605061 HZSO506 A7 2 I LWZ30s1 2 I I CRANKCASE VENT PIPE TO CRANKCASE. COMMENCED GD101

3/4' SH605061 HZSO506 A12 2 2KS319 2 DYNAMO BRACKET TO CRANKCASE

3/4' SH605061 HZSO506 07 4 I LWZ20s1 4 I I AIR CLEANERS TO CARBURETTERS

3/4' SH605061 HZSO506 J1 2 I LWZ20S!2 I ! STEERING: FOR BEARINGTO STEERING BOX

3/4' SH605061 HZSOSO6 J3 2 PWZ20S 2 LWZ20S 2 FNZ10S 0 STEERING COLUMN BRACKET TO FRAME

3/4' SH605061 HZSO506 M1 2 PWZ20SI 2 LWZ20s1 2 FNZ10SI 2 I BLANKINGCOVER FOR PEDALS

3/4' SH605061 HZSO506 M1 2 I LWZ20s1 2 FNZ10SI 2 I PEDALBOXTO BRACKET- REAR

3/4' SH60S061 HZSOSO6 M1 4 LWZ20S 4 PEDALBOXBRACKETTO TAPPINGPLATE

3/4' SH605061 HZSO506 M1 2 PWZ20SI 2 LWZ20s1 2 FNZ10SI 2 I PEDALBOXBRACKETTO BASE PLATE

3/4' SH60S061 HZSOSO6 N7 2 I LWZ20S12 FNZ10SI 2 I FOG LAMP BRACKET TO BUMPER BLADE: OPTIONAL EXTRA

3/4' SH605061 HZSO506 A17 8 LWZ20S 8 FNZ10S 8 ENGINE MOUNTINGRUBBERS TO FRAME BRACKETS

3/4' SH605061 HZSO506 J3 1 I LWZ20SI 1 FNZ10SI 1 I STEERING COLUMN SEAL AND RETAINER TO DASH

7/8' SH605071 HZSOSO7 A17 2 I LWZ20s1 2 FNZ10SI 2 I BRACKET TO ENGINE MOUNTING PLATE - R/H

7/8' SH605071 HZSO507 (1 6 PWZ10S 6 LWZ20S' 6 RADIATORBLOCK TO BODY

7/8' SH605071 HZSO507 K3 4 I LWZ20s1 4 FNZ10SI 4 I BOTTOM WISHBONE ASSEMBLY: SPRINGPAN TO WISHBONE

7/8' SH60S071 HZSOSO7 M1 2 PWZ20SI 2 LWZ20S12 FNZ10SI 2 I PEDAL BOX TO BRACKET - FRONT

l' SH605081 HZSO508 J2 2 LWZ20SI 2 FNZ10S 2 STEERING RACK TO BRACKET - REAR

l' SH605081 HZSO508 K3 4 I LWZ20s14 FNZ10SI 4 I BOTTOMWISHBONEASSEMBLY: SPRINGPAN TO WISHBONE

3/4' SH605061 HZSO606 A7 8 I LWZ306 I 8 I I ENGINE MOUNTING PLATE. REAR PLATE TO CRANKCASE

3/4' SH605061 HZSO606 A17 2 LWZ206I 2 IENGINE MOUNTING BRACKET TO BLOCK

3/4' SH605061 HZSO606 Q1 8 I LWZ20618 FNZ106I8 I FRONT EXTENSION TO FRAME BRACKET

I I I

SEE SHEET 20 FOR TOTAL NUMBER OF THESE SCREWS SHEET 6---

Page 8: CHAPTER SIX - MGA Guru

UNF 0 P POINTED SET SCREW

01 L1PART NUMBER WASHERS NUTS

APPLlCA TIONPAGE QTYNEW OLD PLAIN SPRING FULL NYLOC

1/4" 112" HPZ0404 [1 6 PWZ204 I6 LWZ204 I6I I

CASE / GRILL TO BODY

1/4" 5/8" HPZ0405 A19 2 PWZ104 I 2 LWZ2041 2 I IBRACKET TO GOAL POST R/H (LHOI :ACCELERA TOR

1/4" 5/8" HPZ0405 A19 3 PWZ104I 3 LWZ204 I 3 I I BRACKET TO GOAL POST L/H (LHDJ:ACCELERA TOR

1/4" 5/8" HPZ040S A19 2 I LWZ204 I 2 I I SCREW FOR ADJUSTABLESTOP :ACCELERATOR

1/4" 5/8" HPZ0405 R4 12 PWZ204!12 LWZ204/12 ! I FRONT WING SPLASH PLATE TO BODY

1/4" 5/8" HPZ040S R27 8 LWZ204 I 8 I SEAT RAIL TO FLOOR

1/4" 3/4" HPZ0406 01 9 PWZ104 I 9 LWZ204 I 9 I I CHASSIS FRAME:TOEBOARD PLATE TO GOAL POST

1/4" 3/4" HPZ0406 R3 8 PWZ204I 8 LWZ20418 I IFIXING WING CLOSING PLATE TO BODY

1/4" 1" HPZ0408 R3 2 PWZ20S 2 LWZ20S I 2 , FIXING WING CLOSING PLATE TO BODY

5/16" 5/8" ./ HPZ0505 J3 2 PWZ20SI 2 LWZ20S' 2 I I STEERING: FOR BRACKET TO BODY RAIL

5/16" 3/4" HPZOS06 02 2 PWZ20S I 2 LWZ2os12 I IBODYMOUNTING: FOR BODY TO 4th CROSSMEMBER

5/16" 3/4" HPZ0506 02 3 PWZ20S 3 LWZ20S3 BODYMOUNTING:FOR BODY TO GOAL POST CROSS BAR

5/16" 1" HPZOS08 M1 2 I LWZ20S I 2 I I FOR BRAKE PEDAL BLANKING COVER

5/16" 1" HPZ0508 M1 2 I LWZ2os12 I IBRAKE PEDAL BASE PLATE TO CROSSBAR

5/16" 1" HPZ0508 02 2 PWZ20S 2 LWZ20S 2.

BODY MOUNTING: SCREW FOR BODY TO GOALPOST CROSSBAR END

5/16" 1" HPZOS08 R3 21 PWZ20S I 2 LWZ2os121 I I FIXING FRONT WINGS TO BODY

5/16" 1" HPZOS08 R3 22 PWZ20S I 2 LWZ20S,22 I IFIXING REAR WINGS TO BODY

5/16" 1" HPZ0508 02 8 PWZ1O5 'IS LWZ20S 8 FNZ10S 8.

BODYMOUNTING:FOR BODY TO SHUT PILLARFRONT/REAR BRACKETSPWZ20S I!

5/16" 1.25" HPZOS10 02 2 PWZ20SI2 LWZ2os12 I I BODY MOUNTING: FOR BODY TO SHUT PILLAR

5/16" 1.25" HPZ0510 R3 5 I LWZ20S15 I I FIXING FRONT WING TO BODY

5/16" 1" HPZ0508 02 10 PWZ20S'10 LWZ20S 10'

BOOY MOUNTING:FOR BODY

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SEE SHEET 20 FOR TOTAL NUMBER OF THESE SCREWS SHEET 7

Page 9: CHAPTER SIX - MGA Guru

UNF @ P COUNTERSUNK SETSCREW

0- L-PART NUMBER WASHERS NUTS

APPLlCA TIONPAGE OTYNEW OLD PLAIN SPRING FULL NYLOC

3/16" 1/2" CMZO308 N3 2 ILWZ2031 2 FNZ103 I2 I

DIPPER SWITCH BRKT. TO BULKHEAD + 2 CUPWASHERS 77ZZ

3/16" 5/8" CMZO310 R10 2 PWZ203 I 2 LWZ2031 2 FNZ103I 2 IBOOT LOCK STRIKINGPLATE

3/16" 1.25" CMZO320 R31 6 PWZ203 I15 LWZ203 15 FNZ103 I15 I FIXING TRIM ROLL

1/4' 7/168 CMZO407 K2 4 I I I I BRAKE DRUM TO HUB

1/4' 5/8" CMZO410 H3 6 I I ! IHUB TO AXLE SHAFT. DRUM BRAKES. DISCWHEELS

1/4" 5/8" CMZO410 R27 16 LWZ204 16 FNZ104 I16 FIXINGSEAT TO RUNNER

1/4" 1.1258 CMZO418 K3 4 I

LWZ2041 4 FNZ104 I 4 I FRONT SUSPENSION:SPIGOT TO MEMBER

5/16" 18 CMZOS16 A17 2! LWZ20S! 2 I LNZ10S I 2 ENGINE MOUNTING BRACKET TO PLATE

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.

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SEE SHEET 21 FOR TOTAL NUMBER OF THESE SCREWS SHEET 8--- - - - - - -

Page 10: CHAPTER SIX - MGA Guru

UNF @ P POINTED COUNTERSUNK SETSCREW

e1» LRPART NUMBER WASHERS NUTS

APPLlCA TIONPAGE aTYNEW OLD PLAIN SPRING FULL NYLOC

1/4" 3/4" CPZO412 R2 32 PWZ204'16 LWZ204'16 FNZ104116 ' SCREWFIXINGDOORHINGE

1/4" 3/4" CPZO412 R9 2 I I I I GEARBOXCOVERTO TOEBOARD& FRONTL/H FLOORBOARD

1/4" 3/4" CPZO412 R14 4 f I 1 I FIXINGDOORSTRIKER TO BODY

1/4" 1" CPZO416 R9 61 I I T I FLOORBOARDS+ 66 COUNTERSUNKCUPWASHERS 64401

1/4" 1.25" CPZO420 R9 3 I I T T FIXINGTOEBOARDAND SPEEDO CABLE CLIP R/H.

,I I I I

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I T T II I I I

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SEE SHEET 21 FOR TOTAL NUMBER OF THESE SCREWS SHEET 9

Page 11: CHAPTER SIX - MGA Guru

ffi [} DUNF PAN HEAD SET SCREW

0" L"PART NUMBER WASHERS NUTS

APPLlCA TIONPAGE aTYNEW OLD PLAIN SPRING FULL NYLOC

1/8" 3/8" "\ PMZ0206 NS 6 PWZ202 I 6 LWZ202 I 6 FNZ102 I6I

SIDELAMP TO FRONT WING

1/8" 1/2" PMZ0208 R10 2 PWZ2021 2 LWZ2021 2 CNZ102 I 2 I BOOT LOCK GUIDE PLATE TO BULKHEAD

1/8" 1/2.UNC

PMZ0208 R17 10 I LWZ202 110 CNZ102 ,10 I FIXINGRUBBER BUFFERS TO BONNET

1/8" 1/2" PMZ0208 R17 2 PWZ202 I 2 LWZ202 I 2 CNZ102 I.21 RETAININGBONNET PULL TO DASHBOARD

1/8" 5/8" PMZ0210 01 2I LWZ2021 2 CNZ102 I 2 I

HORNPUSH TO BRACKET

1/8" 1" ..J PMZ0216 82 1 PWZ102 1 LWZ202 1 CNZ102 I 1 VACUUM IGNITIONCONTROL PIPE MOUNTING CLIPS

3/16" 1/4. PMZ0304 R38 2 I I 1 I HOOD: SCREW FOR RETAININGPLATE

3/16"3/8" PMZ0306 MS 1I LWZ2031 1 FNZ103 I 1 I

HANDBRAKE: SCREW FOR CABLE CLIP.THREE WAY PIECE

3/16"3/8. PMZ0306 N10 2 , WIRINGCLIP:TAIL LAMP HARNESS TO SIDE MEMBER

3/16"3/8" PMZO306 N10 2 I LWZ103 I 2 FNZ103 I 2 I MAIN HARNESS CLIPTO BULKHEAD. SHORT

3/16"3/8" PMZ0306 01 2 I LWZ2031 2 FNZ103 I 2 ITAIL LAMP HARNESS CLIP

3/16"3/8" PMZ0306 R38 2 HOOD: SCREW FOR RETAININGPLATE

3/16"7/16" PMZ0307 N3 1 I LWZ2031 1 FNZ103 I 1 I CLIP BY DIPPER SWITCH

3/16" 7/16" PMZ0307 03 2 I LWZ2031 2 FNZ103 I 2 I OIL AND THERMOMETER PIPE CLIPS

3/16" 1/2" PMZ0308 A19 2 LWZ203 2 FNZ1032 GUIDE TO FLOOR-TOEBOARD PLATE

3/16"1/2" PMZ0308 N3 1 AJD72021 1 LWZ2031 1 FNZ103 I 1 I DIPPERSWITCHBRACKET TO BULKHEAD

3/16"1/2" PMZ0308 N6 4 I LWZ2031 4 I I SCREW TAILLAMP TO PLINTH

3/16" 1/2. PMZ0308 N10 3 LWZ203'3 FNZ103 3 SCREW FOR HARNESS CLIPTO FRONT PANEL

3/16" 1/2" PMZ0308 01 6 I LWZ2031 6 FNZ103 I 6 I CLIPTO CLIPBRACKET ON FRAME

3/16" 1/2" PMZO308 R1 2 I LWZ203 I 2 FNZ103 I 2 I FOR FIXINGREAR BULKHEAD PANEL

3/16" 1/2" PMZ0308 R10 2I

LWZ203I 2 FNZ103 2 IBOOT LOCK ASSEMBLY: FIXINGLOCK TO BODY

3/16" 1/2" PMZ0308 R11 3 AJD7212 I 3 LWZ2031 3 I I PETROL FILLERPIPE SEAL TO FLOOR

3/16"5/8" PMZ0310 N4 2 I LWZ203,2 FNZ103I2 I FUSE BOX TO DASHBOARD

3/16"5/8" PMZ0310 NS 8I

LWZ203 I 8 FNZ103 I 8I

HEADLAMP TO WING

3/16" 7/8" PMZ0314 N10 1 I I I IMAIN HARNESS: CLIPTO BULKHEAD. LONG

3/16" 1" PMZ0316 07 1 I LWZ203 I 1 FNZ103 I 1 ,HOSE CLIPTO RADIATOR DUCT

SEE SHEET 22 FOR TOTAL NUMBER OF BOLTS. SHEET 10- - - - - -

Page 12: CHAPTER SIX - MGA Guru

[)JUNF PAN HEAD SET SCREW

0# L"PART NUMBER WASHERS NUTS

APPLlCA TIONPAGE aTYNEW OLD PLAIN SPRING FULL NYLOC

3/16" 1" PMZ0316 MS 1 1LWZ203 I 1 FNZ103 I 1 I HANBRAKE: CLIPTO BATTERY CARRIER AND MAIN PIPE CLIP

3/16" 1" PMZ0316 R42 2 I LWZ2031 2 FNZ103 I 2 ICLIPFOR AIR HOSE

3/16"1.25" PMZ0320 N4 2 AJD7212 2 LWZ203.2 FNZ103 2 CONTROL BOX TO DASH

1/4" 112' PMZ0408 N8 2 I LWZ204 I 2 FNZ104 I 2 I FLASHER LIGHTS RELAY TO DASHBOARD

1/4" 1/2" PMZ0408 R19 2 I LWZ204 I 2 FNZ104 I 2 IFIXING BRACKETS TO BUMPER (FRONT NUMBER PLATE)

1/4" 5/8' PMZ0410 R19 2 PWZ104 2 LWZ204' 2 FNZ104 2 FRONT NUMBER PLATE TO BRACKETS

1/4' 7/8' PMZO422 A19 2 PWZ104 I 2 LWZ2os1 2 I IACCELERATOR: DISTANCE TUBE I ADJUSTABLE STOP

5/16" 1/2' PMZ0508 J3 2 I LWZ20S I2 FNZ10SI2 I STEERINGCOLUMNBRACKET BLANKINGHOLES

5/16"1/2' PMZ0508 N8 2 I I I TSCREW FOR FLASHER UNIT TO DASH

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UNf NO. 10 HEX HEAD POINTED SET SCREW 32 TPI DIA. 0.1875

3/16" 1/2' AfH2587 R10 3 PWZ203 I 3 LWZ203 T 3T T FOR BOOT LOCK STRIKER PLATE MECHANISM

3/16" 1/2' AfH2587 R1 2 PWZ203 I 2 LWZ2031 2 I IBONNET LOCK SAFETY CATCH BRACKET

3/16' 112' AFH2587 R1 14 PWZ203 ,14 LWZ203114 1 I FRONT VALANCE PANEL TO BODY

3/16" 1/2' AFH2587 RB 6 PWZ203 I 6 LWZ20316T I FRONT WING TO SILL

3/16"112" AFH2587 RB 4 PWZ203 I 4 LWZ203! 4 ! 1REAR WING TO SILL

3/16" 1/2" AFH2587 R4 2 , LWZ203 1 2 f I SPLASHER TO FRONT WING

3/16" 1/2" AFH2587 R10 12 PWZ203 112 LWZ203112I I BOOT LIDHINGES

3/16" 112" AFH2587 R17 12 PWZ203 112 LWZ203/12 I IBONNET HINGES

3/16" 1/2" AFH2587 R4O 4 PWZ203 f 4 LWZ203 I 4 I I FIXING DEMISTER NOZZLE

SEE SHEET 22 FOR TOTAL NUMBER OF BOL TS. SHEET 11

Page 13: CHAPTER SIX - MGA Guru

UNF

08 L8PART NUMBER WASHERS NUTS

APPLlCA TIONPAGE aTYNEW OLD PLAIN SPRING FULL NYLOC

0 I 1 1 1 I11

I I I I5/168 3/4" HNSO506 Q1 6 , LWZ20S I 6 FNZ10S I 6 I BRACKET ASSEMBLY TO FRONT CHASSIS EXTENSION

1 I I I

I I I I

@ D' I) II I I I

3/168 7/16" CMPO307 R12 6 PWZ203 I 6 I I I WINSCREEN:GRABHANDLETO FRAME. 6 OFF DOMEDNUT

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@ 0' I) I I I I

5/168 7/8" PMPO514 R41 6 PWZ10SI 6 I I LWZ2os16 LUGGAGERACKTO BOOTLID:OPTIONALEXTRA5/16" 1.125" PMPO518 N7 2 PWP10SI 2 I I I FOGLAMPBRACKET:OPTIONALEXTRA.

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SEE SHEET 22 "OTHERS" FOR TOTAL NUMBERS SHEET 12

Page 14: CHAPTER SIX - MGA Guru

Sheet 13

I 3/16" UNF No.lOts 32 TPI DIAMETER 0.1875"

NUTS WASHERS PAGE APPLICATION

I FULL/NYLOC PLAIN SPRING

FNZ103 1 LWZ203 1 A20 Nut for choke abutment

FNZ103 1 PWZ103 1 Cl For MG Radiator Badge

I FNZ103 4 Cl Nuts for Grill studs

FNZ103 2 PWZ204 2 LWZ203 2 N9 Windscreen Wiper Motor lower bracket

I FNZ103 3 PWZIO3 3 LWZ203 3 01 Fascia Panel to Grill Blanking Plate

FNZ103 2 01 Fascia Panel; Map Lamp

FNZ103 2 R14 For Door Lock Cable-I

I FNZ103 6 PWZ203 6 LWZ203 6 R31 Dash Trim Roll Bolt

LNZ103 1 R17 Bonnet Catch control pivot

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Page 15: CHAPTER SIX - MGA Guru

1/4" UNF

NUTS WASHERS PAGE APPLICATION

FULL/NYLOC PLAIN SPRING

FNZ1O4 1 PWZ1O4 1 A19 Clamp Accelerator Cable to Clamp.

FNZ1O4 1 PWZ1O4 1 A20 Choke Control Cable Clamp

FNZ1O4 2 PWZ204 2 LWN204 2 Bl Coil Clamp Bracket

FNZ1O4 1 LWN204 1 M3 Brake, four way piece to stud on Chassis

FNZ1O4 1 LWZ204 1 N9 Windscreen Motor, upper to lower Bracket

FNZ1O4 1 LWZ204 1 N1O Petrol Pump to Earth cable

FNZ1O4 1 LWZ204 1 02 Speedo clip R/H Toeboard screw

FNZ1O4 2 LWZ204 2 R19 Number Plate to Bracket

LNZ1O4 1 RiO Boot Lock activating lever pivot

FNZ204 8 Ni Lock nuts for Battery fixing bolts

FNZ204 1 LWZ204 1 Nl0 Lock nut for ramp screw clip

Page 16: CHAPTER SIX - MGA Guru

Sheet 15

5/16" UNF

NUTS WASHERS PAGE APPLICATION

FULL/NYLOC PLAIN SPRING

FNZI05 3 PWZI05 3 A6 Thermostat housing

FNZI05 2 LWN105 2 A7 Block; Blanking Plate

FNZ105 4 LWZ205 4 A17 Engine Mounting to Bracket

FNZI05 1 LWZ205 1 A19 Accelerator Fulcrum Pin

FNZI05 2 Fl Nuts for gearbox extension stud

FNZI05 2 H5 Leaf springs; nut for locating bolt

FNZI05 1 LWZ205 1 M5 Handbrake; abutment nut

FNZI05 3 LWZ205 3 NI0 Wiring Harness; Clips to wing bolts

FNZI05 2 LWZ205 2 R20 Front bumper; corner to centre bar bolt

LNZI05 4 Gl Propshaft; for bolt, shaft to flange

LNZI05 1 PWZ205 1 M4 Handbrake; compensator to fulcrum

I

LNZ205 4 M2 Brake/clutch master cylinder pushrod!

FNZ205 2 H5 Locknut; leaf springs, for locating boltI

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Page 17: CHAPTER SIX - MGA Guru

3/8" UNF

NUTS WASHERS PAGE APPLICATION

FULL/NYLOC PLAIN SPRING

FNZ106 4 PWZIO6 3 A16 Inlet Manifold to Carburetter studs

FNZIO6 8 LWZ206 8 H4 Brake plate to axle case

FNZ106 4 LWZ206 4 H5 Leafsprings; nut for shackle plates

FNZIO6 16 H5 Leafsprings; nut for "U" clip

FNZ106 2 PWZ206 2 LWZ206 2 H5 Leafsprings; rebound strap to axle

FNZ106 8 LWZ306 8 K2 Brake plate to steering knuckle

FNZ106 8 LWZ206 8 K3 Shock absorber nut for stud

LNZ106 8 LWZ206 8 K3 Wishbone pivot to member

LNZ106 I M4 Handbrake; fulcrum to axle

FNZIO6 2 PWZ206 2 LWZ206 2 Q1 Chassis; rebound strap spindle

FNZIO6 2 PWZIO6 2 LWZ206 2 R20 Front bumper; main spring to corner bar

FNZIO6 1 LWZ206 1 R20 Front bumper; mainspring to centre bolt

FNZIO6 2 PWZ206 4 LWZ206 2 R21 Front bumper; man spring to bar

LNZ206 1 LWN206 I A12 Dynamo; adjusting link to pillar

FNZ206 2 LWZ206 2 A16 Inlet manifold; accel. abutment bracket

FNZ206 I RI8 Bonnet striker pin assembly

FNZ506 1 LWN206 1 A12 Dynamo mounting pillar

Page 18: CHAPTER SIX - MGA Guru

S:nppt 17

!

7/16" UNF

i NUTS WASHERS PAGE APPLICATION-I

\ FULL/NYLOC PLAIN SPRING

'

FNZiO7 2 LWZ207 2 H5 Leafspringsj nut for frontendbolt

i FNZ207 1 Ni Nut for Dynamo pulley

I FNZ407 2 J2 Castled nut for steering ball socket

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Page 19: CHAPTER SIX - MGA Guru

1/2" UNF

NUTS WASHERS PAGE APPLICATION

FULL/NYLOC PLAIN SPRING

FNZIO8 4 LWN208 4 Ll Rear shock absorbers; link to bracket

FNZIO8 4 PWZ208 8 LWZ208 4 R20 Front bumper support bracket

FNZIO8 2 PWZ208 LWZ208 2 R21 Rear bumper; for bracket and bumper stud

FNZ208 2 R32 Trim; nut for curtain peg socket

FNZ308 2 LWZ208 2 K3 Castled nut; bottom wishbone to link

FNZ308 2 LWZ208 2 K3 Castled nut; wishbone to link

FNZ408 4 K3 Slotted nut for wishbone pivot

Page 20: CHAPTER SIX - MGA Guru

C:n1AA+ 1 Q

\ TOTALSUNF BOLTS

I 0 DI PART NUMBER TOTAL

l 0" L" QTY.NEW OLD

1/4" 1" HBZO408 3

1/4" 1.125" HBZO409 2

11/4" 2" HBZO416 2

1/4" 2.75" HBZO422 3

I 1/4" 4" HBZO436 1

-1 5/16"1.125" HBZO509 5

5/16" 1.25" HBZO510 1

I 5/16" 1.5" HBZO512 6

5/16" 1.625" HBZO513 3

I 5/16" 2.25" HBZO518 2

5/16" 2.75" HBZO522 1

3/8" 1.25" HBZO610 4

T 3/8" 1.625" HBZO613 2

3/8" 1.875" HBZO615 2

1- 3/8" 2" HBZO616 2

3/8" 2.5" HBZO620 2

3/8" 2.75" HBZO622 1

1 3/8" 3" HBZO624 2

7/16" 3.5" HBZO728 4

r 7/16" 3.75" HBZO730 2

7/16" 4" HBZO732 2I

1/2" 3.25" HBZO826 1

1

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Page 21: CHAPTER SIX - MGA Guru

IIiTOTALS UNF SET SCREWS

0PART NUMBER TOTALott Lit QTY.

NEW OLD

1/4" 3/8" HZSO403 3

1/4" 1/2" HZSO404 6

1/4" 5/8" HZSO405 25

1/4" 3/4" HZSO406 8

1/4" 7/8" HZSO407 4

5/16" 1/2" HZSO504 8

5/16" 5/8" HZSO505 24

5/16" 3/4" HZSO506 48

5/16" 7/8" HZSO507 14

5/16" 1" HZSO508 6

3/8" 3/4" HZSO606 18

0POINTED

1/4" 1/2" HPZO404 6

1/4" 5/8" HPZO405 27

1/4" 3/4" HPZO406 17

1/4" 1" HPZO408 2

5/16" 5/8" HPZO505 2

5/16" 3/4" HPZO506 5

5/16" 1" HPZO508 67

5/16" 1.25" HPZO510 7

Page 22: CHAPTER SIX - MGA Guru

cn-.r>~+ ') 1

TOTALS UNF COUNTERSUNK SET SCREW

@ PPART NUMBER TOTAL0" L" QTY.

NEW OLD

3/16" 1/2" CMZO308 2

3/16" 5/8" CMZO310 2

3/16" 1.25" CMZO320 6

1/4" 7/16" CMZO407 4

1/4" 5/8" CMZO410 22

1/4" 1.125" CMZO418 4

5/16" 1" CMZO516 2

@ DPOINTED COUNTERSUNK SET SCREW

1/4" 3/4" CPZO412 38

1/4" 1" CPZO416 61

1/4" 1.25" CPZO420 3

UNF No.10 HEX HEAD POINTED SET SCREW 32 TPI

3/16" 1/2" AFH2587 59

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Page 23: CHAPTER SIX - MGA Guru

TOTALS UNF PAN HEAD SET SCREW

0PART NUMBER TOTAL0" L" QTY.

NEW OLD

1/8" 3/8" PMZ0206 6 '

1/8" 1/2" PMZ0208 14 U.N.C. NO.6

1/8" 5/8" PMZ0210 2 NOT U.N.F

1/8" 1" PMZ0216 1,)

3/16" 1/4" PMZ0304 2

3/16" 3/8"5" PMZ0306 9

3/16" 7/16" PMZ0307 3

3/16" 1/2" PMZ0308 23

3/16" 5/8" PMZ0310 10

3/16" 7/8" PMZ0314 1

3/16" 1" PMZ0316 4

3/16" 1.25" PMZ0320 2

1/4" 1/2" PMZ0408 4

1/4" 5/8" PMZ0410 2

1/4" 7/8" PMZ0422 2

5/16" 1/2" PMZ0508 4

OTHERS

5/16" 3/4" HNS0506 6

3/16" 7/16" CMP0307 6

5/16" 7/8" PMP0514 6

5/16" 1.125" PMP0518 2

Page 24: CHAPTER SIX - MGA Guru

~1lPpt ?~

! TOTAL NUTS AND WASHERS REQUIRED

I

UNF NUTS WASHERS

I FULL / NYLOC PLAIN SPRING

I CNZ10223 PWN102 1 LWZ202 23

FNZ103 86 PWZ202 10 LWZ103 3

! FNZ104 78 PWZ103 4 LWZ203 124

I FNZ2049 PWZ203 86 LWZ204 154

I FNZ105 97 PWZ104 24 LWZ205 199

I FNZ2052 PWZ204 65 LWZ305 6

FNZ106 68 PWZ105 26 LWZ206 64

I FNZ206 4 PWZ205 52 LWZ306 16

I FNZ5061 PWZI06 12 LWZ207 10

I FNZI07 9 PWZ206 8 LWZ208 15

I FNZ2071 PWZI07 10

FNZ407 2 PWZ208 12 LWN105 2

I FNZI08 11 LWN204 3

FNZ208 2 AHH5494 4 LWN205 4I

I FNZ308 4 2K5197 5 LWN206 2

I FNZ4084 2K7440 4

LNZ104 1 AJD7212 5 2K5319 11

I LNZ105 7 AJD7202 1 2K4958 2

LNZ205 16 PWP105 2I

I LNZ106 9

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