Instrument Replacement; Locating Operating Troubles - Husqvarna TC 450 Workshop Manual

ELECTRIC SYSTEM, DIGITAL INSTRUMENT
Instrument replacement (TE-SMR)
- remove the upper fastening screw of the the headlamp carrier to the instrument
panuel support (A);
- push forward the headlamp carrier (B) and pull it towards the high (C) in order C
to uncouple from the two lower supports.
- remove the headlamp carrier;
Remove the two fastening screws (3), deconnect the connector (4) and remove
the instrument (5).
A
Reassemble the instrument in the reverse order that was shown for disassembling.
B

LOCATING OPERATING TROUBLES

CHARGING SYSTEM
Fast battery discharging:
1) current leakage (see page M.10);
2) incorrect voltage (see page M.10);
3) generator: no continuity (see page M.10);
4) incorrect generator no-load voltage performances (see page M.12);
5) faulty voltage regulator (see page M.13)
Battery overloading:
1) faulty voltage regulator (see page M.13);
2) faulty battery (see page M.10).
STARTER SYSTEM
Starting motor don't start:
1) faulty electric start remote control switch (see page M.16);
2) loosened starting motor cable;
3) faulty starting motor (see page M.15);
4) discharged battery (see page M.27).
ELECTRONIC IGNITION SYSTEM
Weak Ignition spark or no ignition spark:
1) incorrect main wiring harness connections;
2) faulty spark plug or incorrect spark plug heat range or incorrect spark plug gap (see page M. 24);
3) faulty ignition coil (see page M.20);
4) faulty spark plug cap (see page M.20).
M.38 Part. N. 8000 H1344 (10-2009)