TM 9-2330-275-14&P
2-17. LOWERING SHELTER (Con’t).
c.
M832 (SN J089-001 thru 159 and J017-160 thru 350 onlv).
(1) Set handbrakes (para 2-2).
(2) Disconnect two safety chains (3) and power cable (2) from towing vehicle.
(3) Close air valves on towing vehicle, then disconnect service and emergency air lines (1) at
gladhands.
(4) Compress all four hydraulic cylinders (9) until two wire lanyards (10) on each suspension bar (8)
aline with lower pin (11) on each of four support struts (6). Install wire lanyard (1 O) over lower pin (11). Dolly set is
now lowered and in lockout position.
(5) Fully open two leveling valves (13) on front dolly (4) and rear dolly (5) by rotating leveling valves
(13) counterclockwise. Close two control valves (12) by rotating clockwise.
(6) Insert extension handle (15)
ail four hydraulic cylinders (9) extend slightly.
into pump handle (16) and operate two hydraulic pumps (14) until
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