Portable Compressor 7/20
9---9
SEPTEMBER 2003
CAUTION
NEVER ALLOW THE IDLE PRESSURE TO EXCEED 8.6 bar
(125 psi) ON THE PRESSURE GAUGE, OTHERWISE THE
SAFETY VALVE WILL OPERATE.
9.24.
DRIVE BELT REPLACEMENT /
ADJUSTMENT
WARNING
DURING THE ADJUSTMENT / REPLACEMENT
PROCEDURE ALWAYS DISCONNECT BATTERY.
Remove drive belt guard.
Loosen securing screw M12 beside the Airend.
Loosen main pivot bolt M16.
Disconnect adjusting screw and pivot Airend towards engine to
slacken belt and remove belt from pulleys.
Fit new belt over pulleys, pivot Airend away from engine and
re---engage adjusting screw.
Adjust drive belt tightening by means of adjusting screw with M8
head socket screw.
Adjustment values:
New drive belt
95÷104 Hz
Run in drive belt
78÷88 Hz
Tighten securing screw M12 beside the Airend.
Tighten main pivot bolt M16 and secure by nose washer.
Check belt adjustment.
Install drive belt guard.
1.
Main pivot bolt
2.
Securing screw
3.
Adjusting screw
4.
Airend
1
2
3
4
Figure 9-- 5.
DRIVE BELT ADJUSTMENT
CHANGE
VALUE WAS CHANGE.
