Idle up
actuator
Adjusti~
screw
1NSPECTION.ADJUSTMENT OF IGNITION
TIMING
Warm-up the engine.
Standard
Coolant temperature:
75°C (167°F) or above
Hydraulic oil temperature: 50°C (122°F) or above
Engine oil temperature: 60°C (140°F) or above
Install the rev counter and timing light.
Attach a rev counter to the terminal for measuring engine
speed (Rev terminal).
lnspect the idle speed.
Standard: Refer to repair manual for each vehicle model.
Inspect and adjust the ignition timing
(1) Disconnect the distributor vacuum hose.
(2)
Use the timing light to inspect the ignition timing.
Standard: BTDC 7'1750 rpm
(3) If the value is outside of the standard, loosen the
distributor set bolt and rotate the distributor to adjust to
the standard value.
(4) Tighten the set bolt and inspect the ignition timing again.
T
=
17.5 N-m (178 kgf-cm) [12.9 ft-lbfl
(5)
If the ignition timing has been adjusted, seal the
distributor set bolt with sealing tape.
INSPECTIONlADJUSTMENT OF IDLE-UP
SPEED
Warm-up the engine.
Standard
Coolant temperature: 75°C (167°F) or above
Hydraulic oil temperature: 50°C (122°F) or above
Engine oil temperature: 60°C (140°F) or above
Install the rev counter. (Refer to above)
Start the engine, and measure the engine speed with the
vacuum hose removed from the idle-up actuator.
Standard
MIT
1100
A
30 rpm
TIC: 1000
A
30 rpm
If the value is outside of the standard, adjust it by turning the
adjusting screw.
Caution:
If the adjusting screw is turned clockwise, the engine speed
increases.
4. After adjustment, connect the vacuum hose
To Next Page
Loading...
Need help?
General
