TM-9-2815-205-34

ENGINE WITH CONTAINER; MODELS 5063-5299, 5063-5392, 5063-5393, 5063-5395, 5063-5398, 5063-539F, 5063-539L

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE

AUGUST 1992

TM-9-2815-205-34 - Page 508 of 596

TM 9-2815-205-34

4-5. CYLINDER COMPRESSION TEST

This task covers: Testing

INITIAL SETUP

MODELS

EXPENDABLE/DURABLE SUPPLIES

All

1

Tube assembly, fuel (App D, Item 14)

TOOLS AND SPECIAL TOOLS

EQUIPMENT CONDITION

Tool kit, general mechanics (App B, Item 107)

Para Description

Adapter, cylinder compression (App B, Item 2)

4-2 Prepare engine for start-up

Tester, cylinder compression (App B, Item 100)

Wrench, fuel nut (App B, Item 113)

Testing

a.

b.

c.

d.

e.

f.

g .

h.

i.

●

Avoid contact with hot manifolds, pulleys, and

personal injury.

other moving parts to avoid

●

Wear proper ear protection when running engine. Noise volume of engine can

cause hearing loss or injury.

Start engine and operate at one-half rated load until coolant outlet temperature is 165-185°F

(71.1-85.0°C). Stop engine and remove rocker arm cover (refer to Para 3-20,3-21, or 3-22),

Move speed control lever (1) to NO FUEL position.

Loosen four fuel tube nuts (2) and remove two fuel tubes (3) from one cylinder position.

Rotate appropriate cylinder to bottom dead center.

On 1 R cylinder, for all except model 5063-5299, remove two nuts (4), two Iockwashers (5), and

U-bolt (6) from throttle delay lever assembly (7). Discard Iockwashers.

Remove two rocker shaft bracket bolts (8).

On models 5063-5392, 5063-5393, 5063-539F and 5063-539L, remove hold-down bracket (9) and

rocker shaft bracket bolt (8) of any adjacent cylinder.

Swing rocker arms (10) away from injector and valves.

On 1R cylinder, for all except model 5063-5299, remove throttle delay lever assembly (7) from

throttle delay bracket (11) (ref. Para 3-42).

4-24

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