Pressure Pipe - Mazda MX-5 1990 Workshop Manual

N-22
ENGINE SPEED SENSING POWER STEERING
05UONX-037
05UONX-038
05UONX-040
05UONX-041
Removal note
Pressure pipe .
Mark the pressure pipe for reference during installation be-
fore loosening.
DRIVE BELT
Inspection
1. Check the drive belt for wear, cracks, and fraying.
Replace if necessary.
2. Check the drive belt deflection by applying mode rate pres-
sure (98 N, 10 kg, 22 Ib) midway between the pulleys.
Adjust if necessary.
Deflection (Depressed at 98 N [10 kg, 22 Ib))
New: 8-9mm (0.31-0.35 in)
Used: 9-10mm (0.35-0.39 in)
Tension
New: 491-589 N (50-60 kg, 110-132 Ib)
Used: 422-491 N (43-50 kg, 95-110 Ib)
Note
• Belt tension can be measured between any pulleys.
Adjustment
1 Loosen PIS oil pump bolt
®
and nuts
®
and
©.
Adjust
the belt deflection by turning the adjusting bolt @.
Tightening torque:
@: 31-46 N·m (3.2-4.7 m-kg, 23-34 ft-Ib)
@:
36-54 N·m (3.7-5.5 m-kg, 27-40 ft-Ib)
©:
19-25 N·m (1.9-2.6 m-kg, 14-19 ft-Ib)
-
Replacement
1. Lassen bolt
®,
nuts
®
and
©,
and adjusting bolt
@.
2. Remove and replace the drive belt.
3. Adjust the deflection (tension). (Refer to above.)