Mitsubishi MOTORS Space Runner 1999 Workshop Manual Supplement page 17

11C-8
Adjusting bolt
Lock bolt
<Vehicles without A/C>
Oil pump pulley
98 N
A
Crankshaft
pulley
<Vehicles with A/C>
Oil pump pulley
98 N
A
Crankshaft
pulley
ENGINE <4G6-MPI> -
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
4. Tighten the nut of the alternator pivot bolt.
5. Tighten the lock bolt.
6. Tighten the adjusting bolt.
POWER STEERING OIL PUMP AND AIR CONDITIONER
COMPRESSOR DRIVE BELT TENSION CHECK AND
ADJUSTMENT
1. Check if the belt tension is within the standard value
B
Tensioner pulley
Tensioner
pulley
B
A/C
compressor
pulley
On-vehicle Service
deflection to the standard values.
Standard value:
Items
Vibration frequency Hz 201 - 222
Tension N
Deflection
(Reference value) mm
Tightening torque: 49 Nm
Tightening torque: 22 Nm
Tightening torque: 5 Nm
using one of the methods below.
Standard value:
Items When
checked
Vibration 108 - 132
frequency
Hz
Tension N 392 - 588
Deflection 11.7 - 15.3
(Reference
value) mm
<When measuring the vibration frequency>
With your finger tip lightly tap the centre of the belt between
the pulleys in the location shown by the arrow in the
illustration and then measure the belt vibration frequency.
NOTE
Refer to P.11C-7 for information regarding the vibration
frequency measurement method using MUT-II.
<When measuring the tension>
Use a belt tension gauge to measure the belt tension.
When adjusting When replacing
241 - 276
441 - 539 637 - 833
7.2 - 8.4 5.0 - 6.4
When a When a new
used belt is belt is
installed installed
114 - 126 137 - 157
441 - 539 637 - 834
12.5 - 14.3 8.8 - 11.0