BRP Outlander 400 EFI 2008, Руководство по обслуживанию

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Section 02 TROUBLESHOOTING
Subsection 01 (TECHNICAL GUIDELINES)
Symptom:
LOW OR NO OIL PRESSURE/HIGH OIL CONSUMPTION
(cont’d)
9. Check oil pump operation.
-
Oil pump rotor is out of wear limit. Replace oil pump shaft (refer to
LUBRICATION SYSTEM
).
-
Oil pump seized due to oil leakage and/or air inclusion. Replace oil pump (refer to LUBRICATION
SYSTEM
).
-
Gears driving oil pump are broken or damaged. Replace gears.
-
Incorrect oil being used. Use recommended oil (refer to
TECHNICAL SPECIFICATIONS
).
10. Check plain bearings in crankcase for severe wear.
-
Plain bearings out of specification (increased clearance). Replace all plain bearings at the same
time (refer to
CRANKCASE/CRANKSHAFT
).
Symptom:
OIL CONTAMINATION (WHITE APPEARANCE)
1. Check leak indicator hole (crankcase MAG, beside water pump housing area) if water and
oil leaks.
-
Leakage of oil/water mixture from leak indicator hole means damaged oil seal and rotary seal
of water pump shaft inside magneto cover. Replace both, rotary seal and oil seal and refill with
recommended oil and/or coolant (refer to
COOLING SYSTEM
and
MAGNETO/STARTER
).
2. Check cylinder head and/or cylinder base gasket.
-
Gasket damaged or leaking. Retighten cylinder head with recommended torque and/or replace
gasket.
3. Check tightening torque of cylinder head screws.
-
Screws not properly tightened. Retighten screws to recommended torque and replace oil.
4. Check oil for particles (may indicate possible damages inside the engine).
-
Oil contamination due to metal or plastic particles. Replace possibly damaged parts including oil
and oil filter. Use recommended oil (refer to
TECHNICAL SPECIFICATIONS
).
Cylinder and Head
Symptom:
UNUSUAL ENGINE NOISE AND/OR VIBRATION AT IDLE SPEED
1. Check valve adjustment.
-
Intake and/or exhaust valves not adjusted correctly. Adjust valves.
2. Check operation of decompressor located on camshaft.
-
Decompressor shaft sticks and/or torsion spring is damaged. Replace spring and/or decompres-
sor mechanism.
-
Loose camshaft gear. Retighten camshaft gear (refer to
CYLINDER HEAD/CYLINDER
).
3. Check chain tensioner operation.
-
Faulty chain tensioner. Replace spring and/or mechanism.
Symptom:
UNUSUAL ENGINE NOISE AND/OR VIBRATION WHILE OPERATING
1. Check items of UNUSUAL ENGINE NOISE AND/OR VIBRATION AT IDLE SPEED.
2. Check noise coming from cylinder head area.
-
Chain guide worn out. Replace chain guide.
-
Stretched chain and/or worn out sprocket. Replace chain and sprocket at the same time.
-
Sprocket screw got loose. Retighten screw with recommended torque.
-
Rocker arm(s) is (are) worn out (valve adjustment). Replace rocker arm(s) and/or shaft(s) and
readjust valve clearance.
-
Thrust washer(s) on rocker arm shaft is (are) missing. Fit thrust washer(s) (refer to
CYLINDER
HEAD/CYLINDER
).
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