Camshaft Gears - TM-55-1905-219-14-40022

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Connecting Rod Bearing

TM-55-1905-219-14-4 Landing Craft Utility (LCU) 1667 Class Boston Hull Numbers 1667-1670 NSN 1905-00-168-5764 Manual

Exhaust Valve Seat Inserts

TM 55-1905-219-14-4

Table of Specifications. (continued

ENGINE PARTS

MINIMUM

MAXIMUM

LIMITS

(Standard Size, New)

(inches) (cm)

(inches)

(cm)

(inches) (cm)

Diameter of cylinder

block bore ............. ........................... 2.1875

5.5563

2.1885

5.5588

Clearance--bearings-

to-block:

Front and rear ....... ........................... .0010press

.0025 press .0005 loose .0013 loose

Intermediate ........................

.0015

.0038

.0045

.0114

Camshaft Gears

Inside diameter............ .......................... 1.1865

3.0137

1.1875

3.0163

Clearance--gear-to-shaft ........................ ... .0015

.0038

.0000

Backlash ............................................... . .0030

.0076

.0080

.0203

.0100

.0254

Idler Gear

Backlash ............................................... .0030

.0076

.0080

.0203

.0100

.0254

Pre-load--Variation

on pull 2 lbs. 11 oz......................... 1.2500

.5675

6.7500

3.0645

(1.219 kg)

Crankshaft Timing Gear

Inside diameter................ ...................... 4.7490

12.0625

4.7500

12.0650

Clearance--gear-to-shaft.

.001 press .0025 press

.001 loose .0025 loose

Backlash ............................................... .0030

.0076

.0080

.0203

.0100

.0254

Blower Drive Gear (and Left Bank Accessory Drive Gear)

Backlash ............................................... .0030

.0076

.0080

.0203

.0100

.0254

Inside diameter

(support bushing) .............................. 1.6260

4.1300

1.6265

4.1313

Hub diameter

(at bearing) ............. ......................... 1.6240

4.1250

1.6250

4.1275

Hub-to-support bushing

clearance ......................................... .0010

.0025

.0064

.0050

.0127

Thrust washer

thickness .......................................... .2350

.5969

.2450

.6223

Thrust bearing

thickness .......................................... . .0590

.1499

.0610

.1549

End thrust ................. ............................ .0050

.0127

.0100

.0254

Cylinder Head

Flatness--transverse ..............................

.0040

.0102

Flatness--longitudinal.............................

.0100

.0254

Distance between top

deck and fire deck ............................ 3.5560

9.0322

3.5680

9.0627

3.5360

8.9814

Water nozzles .............................

.0132 Recess.

.0335 Recess Flush

Flush

Cam follower bores ............................... 1.0620

2.6975

1.0630

2.7000

1.0650

2.7051

3-264