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 TM 9-2320-386-24-1-2
0355 00
VALVE MAINTENANCE (Contd)
INSTALLATION
1.
Install twelve new stem valve seals (5) on valve guides (9).
NOTE
Valves and valve seats that are machined and installed correctly
do not require the use of lapping compound to make an air-tight
seal.
2.
3.
Position valve spring (10) and retainer (11) on cylinder head (6), centered around exhaust valve (8).
4.
Position and install valve spring compressor on cylinder head (6) over exhaust valve (8).
5.
Compress valve spring (10) and install keepers (1) on exhaust valve (8).
CAUTION
Valve springs are under tension. Decompress spring slowly to
allow valve to align itself in the valve guide. Failure to install
valves correctly may result in damage to equipment.
6.
Decompress valve spring (10).
7.
Apply lubricant to intake valve (7) and position intake valve (7) into cylinder head (6).
8.
Position valve spring (4) and retainer (3) on cylinder head (6), centered around intake valve (7).
9.
Remove, reposition, and install valve spring compressor over intake valve (7).
10.
Compress valve spring (4) and install keepers (2) on intake valve (7).
11.
Decompress valve spring (4).
12.
Perform steps 2 through 11 for each set of valves.
13.
Assemble and install cylinder head (WP 0302 00).
0355 00-6
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