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24-30
AIR CONDITIONING
PULLER
IC-3787
Fig. 37-Removing
the Hub and Shoe Assembly
Uypicall
ing screws and lift off the assembly.
Disussem bly
(1) Remove the small snap ring from the drive hub
with Tool C-3128 or equivalent.
(2) Install the drive hub puller, Tool C-3787, align-
ing the three pins of the tool in the three holes in the
hub and shoe assembly. Tighten the hex head bolt
down until the drive hub is removed from the bearing
(Fig. 37).
(3) Remove the bearing snap ring from the pulley
assembly.
TOOL
'
(SUPPORT)
61 x 6 3
Fig. 38-Removing
the Bearing from the Pulley
Assembly
TOOL
/BEARING
61 x 6 2
Fig. 3 9 4 n s f a l l i n g a New Bearing in the Pulley
Assembly
(4) Place the pulley assembly on an arbor press,
with the pulley side down, and the bearing hub cen-
tered on Tool (2-3835. Install the Tool SP-3496
on
the
inner race of the bearing and press the bearing from
the pulley assembly (Fig. 38).
NOTE: A new bearing must
be
installed every time
the magnetic clutch i s disassembled.
Assembly
(1) Install the pulley assembly with the pulley side
up on an arbor press and insert a
new
bearing into
the bore. Install the Tool (2-3807 against the bearing
and press into position (Fig. 39).
(2) Install the pulley assembly with pulley side fac-
ing down on Tool C-3807.
(3) Start the drive hub into the inner bearing race,
and press the hub into position with
an
arbor press.
(4) Install the bearing snap ring and the hub snap
ring.
CAUTION: The pulley assembly and hub assembly
are mated parts. They are burnished at the factory
before shipment. No attempt should
be
made to re-
place either unit separately as this may reduce the
initial torque of the clutch.
Ins fullat ion
(1) Install the field assembly on the base of the
compressor bearing housing. Make sure the coil as-
sembly is positioned
so
that the lead wire points up
and can be routed between the compressor cylinder
heads. Install the three mounting screws and tighten
to 17 inch-pounds torque.
(2) Insert the woodruff key in the crankshaft.
(3) Install the clutch assembly onto the crankshaft.
(4) Install the washer and a
new
self-locking bolt,
(5)
Connect the field lead wire.
(6)
Install the belts and tighten to the specified ten-
and tighten to 20 foot-pounds torque.
sion.
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