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TM 9-2320-304-14&P
5-145
Direct Support and General Support Maintenance (Cont)
NOTE
·
Hydraulic oil in reservoir must
be 120_F (49_C) ±5_ to obtain
proper pressure reading for
HEMTT LHS.
·
Hydraulic oil in reservoir must
be 105_F (41_C) ±5_ to obtain
proper pressure reading for
HEMTT LHS with CHU.
·
Engine must be at full throttle
to obtain proper pressure
reading on HEMTT LHS with
CHU.
(4) Soldier A, start engine (TM 9-2320-279-10), engage PTO (TM 9-2320-279-10), put hydraulic
selector switch (9) in MAN H.A. (Para 2-9) and move joystick (10) to LOAD. Soldier B, record
pressure reading.
(5) Shut off engine (TM 9-2320-279-10).
(6) Remove cap (11).
(7) Loosen jam nut (12).
NOTE
·
Turn in to raise pressure, turn out to reduce pressure.
·
Use step (8) to adjust hydraulic pressure on HEMTT LHS. Use step (8.1) to adjust
hydraulic pressure on HEMTT LHS with CHU.
(8) Install 3/16 in. hex head wrench (13) and adjust pressure to 1,725 psi to 1,750 psi (11 894 kPa
to 12 066 kPa).
(8.1) Install 3/16 in. hex head wrench (13) and adjust pressure to 2,350 psi ±25 psi (16 203 kPa ±172
kPa).
(9) Tighten jam nut (12).
Change 1
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