ALL HYDRAULIC FUNCTIONS INOPERATIVE - Continued
Check operation of vehicle engine.
Does engine appear to be operating normally?
YES - Go to Step (13).
NO - Go to Step (19).
Check main accumulator charge with engine off.
Does hydraulic pressure gauge indicate a pressure between 1,500-2,000 psi (10,343-13,790 kPa)?
YES - Go to Step (12).
NO - Charge main accumulator (TM 5-2350-262-20).
Check accumulator pressure with engine running.
Start engine and check main accumulator charge with engine speed at 1,500 rpm.
Is hydraulic pressure at least 2,800 psi (19,306 kPa) with engine speed at 1,500 rpm?
YES - Repair/replace compensating pump (TM 5-2350-262-20).
NO - Go to Step (13).
Check hydraulic oil level.
Are hydraulic oil levels at proper fill levels?
YES - Charge main accumulator. If charge can not be maintained, repair or replace main accumulator
NO - Add hydraulic oil, but do not overfill.