Mitsubishi 4D6 Automobile Parts User Manual


 
ENGINE <4G6> -
On-vehicle Service
11A-6
ON-VEHICLE SERVICE
11100090432
DRIVE BELT TENSION CHECK AND
ADJUSTMENT
ALTERNATOR DRIVE BELT TENSION CHECK
Use a belt tension gauge to check that the belt tension is
at the standard value at a point half-way between the two
pulleys as shown in the illustration. In addition, press this
section with a force of 98 N and check that the amount of
belt deflection is at the standard value.
Standard value:
Tension N 294-490
Deflection (Reference value) mm 7.7-12.3
ALTERNATOR DRIVE BELT TENSION ADJUSTMENT
1. Loosen the nut of the alternator pivot bolt.
2. Loosen the lock bolt.
3. Use the adjusting bolt to adjust the belt tension and belt
deflection to the standard values.
Standard value:
Items When a used
belt is installed
When a new
belt is installed
Tension N 343-441 490-686
Deflection (Reference
value) mm
8.4-10.6 5.9-7.7
4. Tighten the nut of the alternator pivot bolt.
Tightening torque: 44 Nm
5. Tighten the lock bolt.
Tightening torque: 22 Nm
6. Tighten the adjusting bolt.
Tightening torque: 10 Nm
Water pump
pulley
Alternator pulley
Crankshaft pulley
Adjusting bolt
Lock bolt