TM 9-2320-366-34-3
16-85. M1089 MONOBLOCK VALVE REPLACEMENT/ADJUSTMENT (CONT)
(7) Loosen locking nut (6) on adjusting screw (7).
(8) Loosen adjusting screw (7) on cartridge valve (8).
(9) Open hydraulic tank supply valve and return valve (TM
9-2320-366-10-2).
(10) Position PTO switch to on for 15 minutes (TM 9-2320-
366-10-1).
CAUTION
Perform step (11) at 1350 RPM. Failure to
comply may result in an inaccurate reading.
NOTE
Steps (11) through (15) require the aid of two
assistants.
Perform STE/ICE test 51 (TM 9-4910-571-
12&P).
(11) Turn adjusting screw (7) to the right until reading of
1300-1400 psi (8964-9653 kPa) is obtained.
(12) Hold cartridge valve adjusting screw (7) in position.
(13) Tighten locking nut (6) on adjusting screw (7).
(14) Check pressure set in step (11).
(15) Perform steps (7) through (14) until pressure is
maintained.
(16) Position PTO switch to off (TM 9-2320-366-10-1).
16-532