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Page Title:
Table 1. Engine Troubleshooting Procedures - continued |
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 TM 9-2320-361-24-1
0006 00
MECHANICAL SYSTEMS TROUBLESHOOTING - UNIT (Contd)
Table 1. Engine Troubleshooting Procedures (Contd).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
6. Check oil pressure. Oil pressure
If oil pressure is still too high or too
9. EXCESSIVE OIL LOSS OR
should be 4075 psi
low, replace engine (WP 0046 00).
CONSUMPTION DURING
(275517 kPa) at 2,600 RPM.
NORMAL OPERATION
(Contd)
CAUTION
10. ENGINE OIL PRESSURE
TOO LOW OR TOO
Do not operate engine except
HIGH AT NORMAL
during testing. Continued
OPERATION
operation without proper oil
TEMPERATURE
pressure may damage engine
internally.
If oil level is low, check for external
1. Check engine oil level
oil leaks at oil pan, drainplug, oil
filter, oil filter housing, oil cooler,
oil dipstick tube, rocker arm cover,
and turbocharger.
If engine temperature is above
2. Check engine for excessive
correct operating temperature, see
engine operating temperature
(TM 9-2320-361-10).
If engine oil grade is incorrect,
3. Check that engine oil grade is
replace oil (WP 0020 00).
correct for vehicle use and
climate conditions.
4. Check operation of oil pressure
1. Replace inoperative oil pressure
gauge (WP 0014 00, table 1,
gauge (WP 0095 00).
malfunction 4).
2. If oil pressure gauge has
maximum reading of 60 psi
(413 kPa) and needle peaks at
60 psi (413 kPa), replace with
new oil pressure gauge
(range 0120 psi) (WP 0095 00).
5. Check all external oil and fuel
Repair leaks or clear restrictions.
lines for leaks or restrictions.
6. Check oil pressure. Oil pressure
If oil pressure is still too high or
should be 4075 psi
too low, replace engine
(275517 kPa) at 2,600 RPM.
1. Check engine mounts and pads
If engine mounts or pads are
11. EXCESSIVE VIBRATION
for looseness or damage.
damaged, replace (WP 0024 00 and
OR CLUNKING
2. Check mounting of transmission
Replace missing screws or tighten
to engine.
loose screws (WP 0132 00).
3. Check jackshaft for loose or
Replace missing hardware and
missing hardware.
tighten loose hardware.
4. Check torsionel damper for loose
Tighten loose torsionel hardware
hardware or damage.
and/or replace damaged
components.
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