TM 5-3805-248-23-1
STEERING/HYDRAULIC SYSTEM TROUBLESHOOTING PROCEDURES - CONTINUED
0015 00
Table 2. Hydraulic System Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
Noisy Bowl Operation.
Check bowl alignment with draft frame.
Maximum dimension for bowl shim plates
is 0.23 in. (5.84 mm) on either side (WP
00239 00).
2.
Noisy Ejector Operation.
1.
Check for broken, dragging or out-of-
Replace or adjust guide rollers as
adjustment guide rollers.
necessary (WP 0331 00).
2.
Check if carrier rollers are broken or
Replace or adjust carrier rollers as
out of adjustment.
necessary (WP 0329 00 through WP 0330
00).
3.
Check ejector assembly.
If ejector is damaged, replace (WP 0328
00).
3.
Noisy Apron Operation.
Check apron assembly.
If apron assembly is damaged, replace
(WP 0386 00).
4.
Hydraulic Implement
Pump Makes Noise.
WARNING
Do NOT remove hydraulic tank filler cap or disconnect or remove any hydrau-
lic system line or fitting unless hydraulic system pressure has been relieved.
Hydraulic system pressure can be over 2,500 psi (17,237 kPa), even with engine
and pump OFF. To relieve pressure, lower all hydraulic attachments to the
ground and shut down engine. Move control levers through all operating posi-
tions, then SLOWLY loosen hydraulic tank filler cap. After maintenance,
tighten all connections before applying pressure. Escaping hydraulic fluid under
pressure can penetrate the skin, causing injury or death.
At operating temperature, hydraulic oil is hot. Allow hydraulic oil to cool before
disconnecting any hydraulics. Failure to do so may cause injury.
Hydraulic oil is slippery and can cause falls. To avoid injury, wipe up spilled oil
with rags.
1.
Check for leaks in hydraulic suction
1. If damaged, replace hose(s) (WP 0233
hoses causing aeration of hydraulic
oil.
2. If hoses are OK, go to Test 2.
2.
Perform hydraulic system flow meter
1. Correct as indicated in (WP 0321 00).
tee tests (WP 0321 00).
2. If problem still exists, replace hydraulic
implement pump (WP 0322 00).
