DRIVE BELT [HR16DE] < PERIODIC MAINTENANCE > • When the lock nut is loosened excessively, the idler pulley tilts and the correct tension adjustment cannot be performed. Never loosen it excessively (more than 45 degrees). A • Put a matching mark on the lock nut (A), and check turning angle with a protractor. Never visually check the tightening angle. 3. Adjust the belt tension by turning the adjusting bolt (B). Refer to EM-154, "Checking". EM CAUTION: • When checking immediately after installation, first adjust it to the specified value. Then, after turning crankshaft two turns or more, readjust to the specified value to avoid variation in deflecC tion between pulleys. • When the tension adjustment is performed, the lock nut should be in the condition at step“ 2”. If the tension adjustment is performed when the lock nut is loosened more than the standard, the idler pulley tilts and the correct tension adjustment cannot be performed. D 4. Tighten the lock nut. E
: 34.8 N·m (3.5 kg-m, 26 ft-lb)
Removal and Installation
INFOID:0000000006449891
F
REMOVAL 1. 2.
Remove front fender protector (RH). Refer to EXT-22, "Exploded View". Loosen the lock nut (A), and then adjust the belt tension by turning the adjusting bolt (B). 1
: Alternator
2
: Water pump
3
: Crankshaft pulley
4
: A/C compressor
5
: Idler pulley
6
: Drive belt
G
H
I
J PBIC3643E
3.
Remove drive belt.
K
INSTALLATION 1.
Pull the idler pulley in the loosening direction, and then temporarily tighten the lock nut (A) to the following torque. 1
: Alternator
2
: Water pump
3
: Crankshaft pulley
4
: A/C compressor
5
: Idler pulley
6
: Drive belt
L
M
N PBIC3643E
: 4.4 N·m (0.45 kg-m, 39 in-lb)
2.
3.
O
NOTE: Do not move the lock nut from the tightened position. Go to step “2”. Install the drive belt to each pulley. CAUTION: • Check that there is no oil, grease, or coolant, etc. in pulley grooves. • Check that the belt is securely inside the groove on each pulley. Adjust drive belt tension by turning the adjusting bolt (B). Refer to EM-154, "Tension Adjustment". CAUTION:
EM-155
P
