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

Speedaire Operating Instructions and Parts Manual
Speedaire
Air Compressors
Operation (Continued)

DRIVE BELT

Belts stretch as a result of normal use.
When properly adjusted, the belt
deflects about 1/2 in. with five pounds
of force applied midway between the
E
engine pulley and pump (See Figure 5).
N
G 1/2 in. Deflection
L
I
S
H
Figure 5
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.
Notes
Baseplate
®
Operation
Check Oil Level
Drain Tank
Check Air Filter
Check Safety Valve
Blow Dirt From Inside Motor
Check Belt Tightness
Change Oil
Straight edge parallel
Touch rim at
with belt
two places
Figure 6
4
4B242A and 4B243A

MAINTENANCE SCHEDULE

Daily Weekly
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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.
Monthly 3 Months
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