Mazda RX-7 1989 Owner's Manual page 163

'37U6-0120:
CHECKING BELT TENSION
Apply moderate thumb pressure (approxi-
mately 22 lbs, 1
o
kg, 98N) midway between
pu lleys, and check the deflection.
NOTE
If the drive belt becomes worn, cracked or
frayed , it should be replaced.
WARNING!
Keep hair, loose clothing, neckties, neck-
laces,
etc.
away from drive belts especially
when the eng ine is running. A LWAYS RE-
MOVE
ALL TOOLS from the engine com-
partment before attempting to start the
engine. Any of the above items could be-
come entangled in the belts and cause se-
vere injury to yourself and/or damage to you r
vehicle.
Alternator drive belt
1. Loosen the alternator mounting bolt and
adjusting bar bolt.
2. Move the alternator to obtain proper belt
tension.
3. Tighten the bolts and recheck the tension.
Deflection
New 0.47--0.59 1n (12-15mrn)
Used 0.55- 0.67 in (14 - 17mm)
Alternator
MoL:ritir1g
bolt
Vii\ter r, .. rnp pulley
Drive ;:iul·ey
6-15
Air pump drive belt
1. Loosen the air pump mounting bolt and
adjusting bar bolt.
2. Move the air pump to obtain proper belt
tension .
3. Tighten the bolts and recheck the tension.
New
0.35-0.43 in (9- 11 mm)
.. . .
-., - -
When
0.43-0.51 in
Deflection
applying
(11 -13mm)
Used pressure
'When
0.47-0.57 in
pulling
( 12---1 4.Smrn)
• Turbo models
(Non-turbo models)
Av PL,mp pu!ley t·Jtounti:1g bo't
I
Acijusl11'g c-o'.t
VVa'.er pur' p p.i.ley
Or\,c
puLey