BOMBARDIER ski-doo Tundra Scandic 2004 Series, Shop Manual

Page: 91 / 427

Section 03 TROUBLESHOOTING
Subsection 05 (ELECTRICAL SYSTEM)
03-05-2
MMR2004-109_03_05A.FM
SYMPTOM STARTER TURNS BUT DOES NOT CRANK THE ENGINE.
CONDITION NORMAL USE.
Test/Inspection 1. Check engine.
a. Engine seized.
Rebuild engine.
2. Check wire connection.
a. Inadequate connection (too much resistance).
Clean and reconnect.
3. Check battery charge.
a. Weak battery.
Recharge battery and verify recharge system and wires.
4. Check battery capacity.
a. Shorted battery cell(s).
Replace.
5. Check starter relay contact disc.
a. Burnt or poor contact of starter relay contact disc.
Replace starter relay.
6. Check continuity of starter relay pull-in winding.
a. Open circuit of starter relay pull-in winding.
Replace starter relay.
7. Check continuity of starter relay hold-in winding.
a. Open circuit of starter relay hold-in winding.
Replace starter relay.
8. Check brushes.
a. Poor contact of brushes or worn.
Replace brushes.
9. Check commutator.
a. Burnt commutator.
Turn commutator on a lathe. Respect outer diameter wear limit.
Refer to ELECTRIC STARTER.
10. Check height of commutator mica.
a. Commutator mica too high.
Undercut mica.
11. Check field coil resistance.
a. Shorted field coil.
Repair or replace yoke.
12. Check armature resistance.
a. Shorted armature.
Repair or replace armature.
13. Check tension of brush springs.
a. Weak brush spring tension.
Replace springs.
14. Check yoke assembly magnets.
a. Weak magnets.
Replace yoke assembly.
15. Check if bushings are worn.
a. Worn bushings.
Replace bushings.