CAS40P 40 CFM / 100 PSIG
SECTION 6: MAINTENANCE
PAGE - 47
®
An Oshkosh Corporation Company
8. Hold horizontal tap bolt nut [
H
] in place with a
wrench while tightening the horizontal tap
bolt [
F
] to secure the motor bracket in place.
9. Recheck the belt tension, and adjust as
necessary until proper tightness is achieved.
Check the belt tension routinely, as new belts
may need to undergo a breaking-in period of
adjustment.
6.4.10 DRIVE SHEAVE (PULLEY) ALIGNMENT
To access the package for drive belt maintenance,
the drive assembly access panel must be removed.
Consult
Section 6.4.1.2, Removing and Replacing
a Side Panel
to remove the drive assembly access
side panel.
Refer to
Figures 6-14
through
6-16
, and the follow-
ing procedure:
Pulley alignment is set at factory and should not
need to be adjusted. If it becomes necessary to
adjust the pulley alignment, an alignment test may be
performed with a straight edge, such as a yard stick,
that is long enough to overlap both the compressor
and motor drive sheaves. Adjustments are made via
positioning of the hydraulic motor (bracket).
Note
that the compressor pulley always remains sta-
tionary during adjustment.
System Component Group
Manual
Section
Drive Sheave (Pulley) Alignment
6.4.10
Testing Pulley Alignment
6.4.10.1
Adjusting the Motor Pulley for Alignment
6.4.10.2
WARNING
Before performing maintenance:
Shut down machine, relieve all system
pressure and lock out all power, as per
the Safety Section of this manual. If
machine is hot, allow package to cool
before removing any panel.
NOTE THAT THE SYSTEM CAN BE
STARTED REMOTELY:
Always clearly tag the start-up
instrumentation against accidental
system start-ups during maintenance.
KEY
DESCRIPTION
A
Applied Force
I
:
New Belt: 7.0 lbs
Conditioned Belt: 5.0 lbs
B
Deflection
I
:
0.15 lbs (for New and Used
Belts)
I
Specifications given pertain to each
belt separately.
Figure 6-13: Drive Belt Tension Deflection
B
A
Manual #99905382 Rev 02
(JUNE 2018)
