Oil Cooler; Troubleshooting - Arctic Cat 2015 400 Service Manual

Oil Cooler

KEY 5. Machine Screw
1. Oil Cooler Assy 6. Grommet
2. Oil Cooler 7. Shoulder Screw
3. Fan 8. Bushing
4. Nut 9. Clamp
REMOVING
 NOTE: It is not necessary to drain the engine oil for
this procedure.

Troubleshooting

Problem: Starting impaired
Condition
1. Starter jet obstructed
2. Starter jet passage obstructed
3. Carburetor leaking air
4. Gas contaminated
Problem: Idling or low speed impaired
Condition
1. Slow jet obstructed - loose
2. Slow jet outlet obstructed
3. Low speed fuel screw setting incorrect
4. Float height incorrect
Problem: Medium or high speed impaired
Condition
1. High RPM "cut out" against RPM limiter
2. Main jet obstructed
3. Needle jet obstructed
4. Vacuum piston not operating properly
5. Filter obstructed
6. Float height incorrect
Problem: Overflow and fuel level fluctuations
Condition
1. Float valve worn - damaged
2. Float valve spring broken
3. Float not working properly
4. Float valve dirty
5. Float height too high - too low
1. Remove the input and output hoses from the fittings
Elevate and secure the hoses to avoid oil spillage.
2. Remove the cap screws securing the oil cooler to the
10. Hose
11. Bolt
12. Fitting
13. O-Ring
14. Fitting
0743-004
3. Remove the oil cooler from the frame.
INSTALLING
1. Place the cooler into position in the frame.
2. Secure the cooler to the frame with the cap screws
3. Install the hoses onto their respective fittings and
Remedy
1. Clean jet
2. Clean passage
3. Replace gasket
4. Drain gas tank and fill with clean gas
Remedy
1. Clean - tighten jet
2. Clean outlet
3. Adjust screw
4. Adjust float height
Remedy
1. Shift into higher gear - decrease RPM speed
2. Clean main jet
3. Clean needle jet
4. Check piston operation
5. Clean filter
6. Adjust float height
Remedy
1. Replace valve
2. Replace spring
3. Adjust float height - replace float
4. Clean valve
5. Adjust float height
on the cooler.
CAUTION
frame. Account for grommets.
and grommets.
secure with the clamps.
AL651D
83