Wear Limits. - TM-55-1905-220-14-80879

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Torque Values.

TM-55-1905-220-14-8 Landing Craft Utility LCU 1671-1679 NSN 1905-01-009-1056 Manual

Wear Limits.

TM 55-1905-220-14-8

4-29. AIR CONDITIONING SYSTEM - MAINTENANCE INSTRUCTIONS (Continued).

u. Wear Limits.

Factory

Maximum Wear

Maximum

Minimum

Before Repair

Part Name

in.

Seal End

Main Bearing Diam.

1.6266

4.1232

.002

.005

Main Bearing Journal Diam.

1.6233

4.1231

.003

.008

Pump End

Main Bearing Dia.

1.6266

4.1232

.002

.005

Main Bearing Journal Diam.

1.6233

4.1231

.003

.008

Connecting Rod

Bearing Diam.

1.6255

4.1288

.002

.005

(after assembly)

Bearing Thickness

.06225

.15812

.001

.003

Crankpin Diam.

1.6233

4.1231

.003

.008

Crankshaft

Throw

1.005

2.553

.9985

2.5362

Thrust Washers (Thickness)

Seal End

.129

.328

Seal End (Steel)

.155

.394

Pump End

.129

.328

Replace Thrust Washers

When End Clearance

Exceeds

.035

.079

Cylinders

Bore

2.501

6.353

.003

.008

Piston (Diam.)

2.4980

6.3449

.003

.008

Wrist Pin (Diam.)

.7498

1.9045

.001

.003

Wrist Pin Bushing

.7507

1.9068

.001

.003

Piston Ring End Gap

.017

.043

.007

.018

.030

.076

(Comp. and Oil)

Piston Ring Side

Clearance (Comp. and

.0025

.0064

.001

.003

.008

Oil)

4-905