Arctic Cat 700 Diesel ATV 2007 Service Manual page 102

Problem: Gears noisy (Noise seems to come from transmission)
Condition
1. Gears worn - rubbing
2. Splines worn
3. Primary gears worn - rubbing
4. Bearings worn
5. Bushing worn
Problem: Gears noisy (Noise seems to come from secondary bevel gear and final driven shaft)
Condition
1. Drive - driven bevel gears damaged - worn
2. Backlash excessive
3. Tooth contact improper
4. Bearing damaged
5. Gears worn - rubbing
6. Splines worn
7. Final driven shaft thrust clearance too large
Problem: Engine idles poorly
Condition
1. Valve clearance out of adjustment
2. Valve seating poor
3. Valve guides defective
4. Rocker arms - arm shaft worn
5. Fuel injector obstructed
6. Injector timing incorrect
Problem: Engine runs poorly at high speed
Condition
1. Valve springs weak
2. Valve timing out of adjustment
3. Cams - rocker arms - tappets worn
4. Air cleaner element obstructed
5. Fuel hose obstructed
6. Fuel pump defective
7. Fuel filter plugged
Problem: Exhaust smoke dirty or heavy
Condition
1. Oil (in the engine) overfilled - contaminated
2. Piston rings - cylinder worn
3. Valve guides worn
4. Cylinder wall scored - scuffed
5. Valve stems worn
6. Stem seals defective
7. Air cleaner element obstructed
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Remedy
1. Replace gears
2. Replace shaft(s)
3. Replace gears
4. Replace bearings
5. Replace bushing
Remedy
1. Replace gears
2. Adjust backlash
3. Adjust contact
4. Replace bearing
5. Replace gears
6. Replace shaft(s)
7. Replace thrust washer(s)
Remedy
1. Adjust clearance
2. Replace - service seats - valves
3. Replace guides
4. Replace arms - shafts
5. Replace fuel injector
6. Time injectors
Remedy
1. Replace springs
2. Adjust timing
3. Replace cams - arms - tappets
4. Clean - replace element
5. Clean - replace hose
6. Replace fuel pump
7. Replace filter
Remedy
1. Drain excess oil - replace oil
2. Replace - service rings - cylinder
3. Replace guides
4. Replace - service cylinder
5. Replace valves
6. Replace seals
7. Clean - replace element
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