TM 9-2320-366-34-3
16-73. M1089 TELESCOPIC LIFT CYLINDER COUNTERBALANCE VALVE
REPLACEMENT (CONT)
b. Installation.
NOTE
Left and right side counterbalance valves are
installed the same way. Left side shown.
(1) Install preformed packing (1) on 90-degree fitting (2).
(2) Position 90-degree fitting (2) in counterbalance valve (3).
(3) Install preformed packing (4) on 90-degree fitting (5).
(4) Position 90-degree fitting (5) in counterbalance valve (3).
(5) Install preformed packing (6) on 90-degree fitting (7).
(6) Position 90-degree fitting (7) in counterbalance valve (3).
(7) Position counterbalance valve (3) on underlift assembly
(8) with two screws (9), washers (10), and self-locking
nuts (11).
(8) Tighten two self-locking nuts (11) to 23-25 lb-ft (31-34
N m).
(9) Position hose (12) on 90-degree fitting (2).
(10) Position hose (13) on 90-degree fitting (7).
(11) Tighten jamnut (14) on 90-degree fittings (2 and 7).
(12) Tighten hose (12) to 18-20 lb-ft (24-27 N·m).
(13) Tighten hose (13) to 35-39 lb-ft (47-53 N·m).
16-440
