Part Ii - Accessing The Compressor Unit Shaft Seal - Vanair Air N Arc All-in-One Power Systems 300 Operations Manual & Parts List

SECTION 6: MAINTENANCE
PAGE - 76
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AIR N ARC 300 SERIES ALL-IN-ONE POWER SYSTEM
plate enough to allow the serpentine belt [F]
to be removed.
5. Remove serpentine belt [F].
6.5.7.2 P II – A
ART CCESSING THE
S S
HAFT EAL
1. Loosen and remove the four (4) M8
capscrews [G], and also the washers [H],
and sheave washers [J] securing drive
sheave [K] into place.
2. Remove the drive sheave [K] from the end of
the male rotor drive shaft [Y].
3. Remove key [X] from the groove in the end of
the male rotor drive shaft [Y].
4. Remove the retaining ring [Q] from the end of
the male rotor drive shaft [Y].
5. Remove the four (4) capscrews [M], lock
washers [N], and flat washers [P] securing
the tensioner plate [L] and front cover [R] to
the front of the compressor unit.
6. Remove the front cover [R] to expose the seal
assembly. Remove the worn shaft seal ring
[T], seal o-ring [U], inner ring [V], and spacer
[W] from the end of the male rotor drive shaft
[Y].
7. Wipe down any excess contaminants that
may have accumulated on the male rotor
drive shaft.
8. Replace spacer [W] with its new counterpart
from the kit.
9. Replace inner ring [V] with its new counterpart
from the kit; the inner ring should be gently
tapped into place using the tool as a guide.
Note that it should seat snugly on the spacer
[W].
10. Replace metal seal o-ring [U] within the lip-
end of the new shaft seal ring [T] (both parts
from the kit).
11. Gently tap the shaft seal ring [T] onto the
male rotor [Y].
Before attempting to affix the seal to the
shaft, make note that the lip-end side of
the shaft seal (which contains the seated
metal seal o-ring [U]), faces the rotor.
090010-OP_r0
C U
OMPRESSOR
NOTE
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NIT