VALVE MAINTENANCE - continued - TM-9-2320-386-24-1-20483

TM 9-2320-386-24-1-2

0355 00

VALVE MAINTENANCE (Contd)

REMOVAL

1. Position and install valve spring compressor on cylinder head (6) over intake valve (7).

CAUTION

Ensure valve spring compressor is properly aligned with valves

and valve springs. Damage to valves may result from improper

compression of valve springs.

Intake valve and exhaust valve groups do not have identical

hardware. It is important to tag parts as they are removed.

Failure to do so may result in improper installation and damage

to equipment.

2. Compress intake valve spring (4) until valve keepers (2) are exposed from retainer (3).

3. Remove keepers (2) from intake valve (7).

.WARNING.

Valve springs are under tension. Decompress spring slowly to

avoid injury to personnel and damage to equipment.

4. Decompress intake valve spring (4), and remove retainer (3) and intake valve spring (4) from intake

valve (7).

5. Remove intake valve (7) from cylinder head (6).

6. Remove, reposition, and install valve spring compressor over exhaust valve (8).

7. Compress exhaust valve spring (10) until valve keepers (1) are exposed from retainer (11).

8. Remove valve keepers (1) from exhaust valve (8).

9. Decompress exhaust valve spring (10), and remove retainer (11) and exhaust valve spring (10) from

exhaust valve (8).

10. Remove exhaust valve (8) from cylinder head (6).

11. Perform steps 1 through 10 for each set of valves.

12. Remove twelve valve stem seals (5) from valve guides (9). Discard valve stem seals (5).

0355 00-2