Mazda MX-6 1998, Workshop Manual

Page: 423 / 1282

MECHANICAL [KL]
Drive Belt Tension Check
1. Belt tension can be verified in place of belt
deflection. Verify the drive belt tension when the
engine is cold, or at least 30 minutes after the
engine has stopped. Using the
SST, verify the belt
tension between any two pulleys.
Tension
N {kgf, Ibf}
Drive belt ‘ New Used L im it
Generator
687— 882
{70— 90,
154— 198}
491— 686
{50— 70,
110— 154}
294
{30, 66}
Generator
+ A/C
687— 882
{70— 90,
154— 198}
491— 686
{50— 70,
110— 154}
294
{30, 66}
P/S
540— 686
{55— 70,
121— 154}
393— 539
{40— 55,
88— 121}
343
{35, 77}
* : A belt that has been on a running engine for less than 5
minutes.
2. If the tension is not within the specification, adjust
it. (Refer to 01-1 OB DRIVE BELT ADJUSTMENT
[KL].)
DRIVE BELT ADJUSTMENT [KL]
1. Loosen locknut A.
2. Adjust the belt deflection or tension by turning the
adjusting bolt B. (Refer to 01-1 OB DRIVE BELT
INSPECTION [KL].)
3. Tighten locknut A.
GENERATOR,
GEA/C
= {3.2—4.7,
5 24— 33} A
Nm {kgf-m, ttlbf}
W 6 U 1 1 0 W B Q
W 6 U 1 1 0 W 1 3
4. Verify the belt deflection or tension. (Refer to
01-10B DRIVE BELT INSPECTION [KL].)
VALVE CLEARANCE INSPECTION [KL]
1. Remove the intake manifold. (Refer to 01-13B
INTAKE-AIR SYSTEM
REMOVAL/INSTALLATION [KL].)
2. Remove the cylinder head cover.
3. Verify that the engine is in cold condition.
4. Measure the valve clearance.
(1) Turn the crankshaft clockwise so that the No.1
piston is at TDC of the compression stroke.
W 6 U 1 1 0 W 1 4
(2) Measure the valve clearances at A in the
figure.
Standard [Engine cold]
IN: 0.245— 0.315 mm {0.0097— 0.0124 in}
EX: 0.265— 0.335 mm {0.0105— 0.0131 in}
"7
T~\
—
Q
v
J
1 u
— j y h
W6U110WBS
W6U110WC3
0 1 -1 OB-2