TM 9-2350-256-34
INTERMEDIATE MAINTENANCE
RECOVERY VEHICLE, FULL TRACKED: MEDIUM, M88A1
NSN 2350-00-122-6826, EIC AQA
BOOM LIMIT PILOT VALVES MAINTENANCE
REMOVAL, INSTALLATION, ADJUSTMENT
INITIAL SETUP:
Tools and Special Tools
Materials/Parts (cont.)
Tool kit, general mechanic's (item 34, WP 0086 00)
Screws (4) (item 57, WP 0087 00)
Screws (6) (item 98, WP 0087 00)
Materials/Parts
Washers (4) (item 121, WP 0087 00)
Lockwashers (10) (item 161, WP 0087 00)
Packings (6) (item 126, WP 0087 00)
Equipment Condition
Pins, spring (2) (item 91, WP 0087 00)
Deck grilles 6 and 20 removed (TM 9-2350-256-20)
Screws (6) (item 56, WP 0087 00)
Removal
NOTE
This procedure covers the right-hand valve. The left-hand valve is removed in the same manner except
there are only two hydraulic lines to be disconnected in step 1 for the left-hand valve.
1.
Disconnect four hydraulic lines (1).
2.
Loosen two jamnuts (2) on support (3).
3.
Remove two screws (4), lockwashers (5), washers (6), and support (3), subplate (hidden) (7), and valve (hidden) (8) together
as an assembly. Discard lockwashers.
4.
Remove three screws (9), lockwashers (10), and support (3) from subplate (7). Discard lockwashers.
5.
Remove nut (11) and cam follower (12) from arm (13).
6.
Drive out spring pin (14) and remove arm (13) from valve (8). Discard spring pin.
7.
Remove three socket head screws (15) and valve (8) from subplate (7).
8.
Remove and discard three packings (hidden) (16).
0082 00-1
