Drive Belt; Maintenance Schedule - Speedaire 4B242A Manual De Instrucciones Y Lista De Repuestos

Speedaire Operating Instructions and Parts Manual
Speedaire
Air Compressors
Operation (Continued)
4. Check drive belt tension
(See Drive Belt).
5. With motor unplugged, clean debris
from motor, flywheel, air lines and
pump cooling fins.

DRIVE BELT

E
Belts stretch as a result of normal use.
N
G When properly adjusted, the belt
L deflects about 3/8"-1/2" with five
pounds of force applied midway
I
S between the engine pulley and pump
(See Figure 5).
H
To adjust drive belt tension:
1. Remove belt guard.
2. Loosen the four fasteners holding
the motor to the baseplate.
3. Shift the motor in the proper direc-
tion. The belt must be properly
aligned when adjustment is made.
4. To align belt, lay a straight edge
against the face of the flywheel,
touching the rim at two places
(See Figure 6).
5. Adjust flywheel or engine pulley so
that the belt runs parallel to the
straight edge.
6. Use a gear puller to move the pulley
on the shaft and tighten fasteners.
7. Adjust brace and reinstall.
®
Baseplate
Operation
Check Oil Level
Check Air Filter
Check Safety Valve
Blow Dirt From Inside Motor
Check Belt Tightness
Change Oil
3/8"-1/2" Deflection
Figure 5
Touch rim at
two places
Figure 6

MAINTENANCE SCHEDULE

Daily Weekly
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Straight edge parallel
with belt
4
4B242A and 4B243A
Monthly 3 Months
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