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Crankcase Assembly Procedures
3
Fit O rings (ORN-7271 + ORN-7272) into
groove and flywheel housing and corner
of flywheel housing and lightly grease,
and O ring (ORN-7206) into oil relief
valve recess on face of housing.
(*)
4
Fit both pieces of bearing carrier as one
unit into crank case
Sit on back and lower Crank Case / Drive
housing assembly into crank case
Lower crankcase back onto mounting feet
From inside crankcase tap outer bearing
race fully back towards oil pump end of
crankcase.
Set DTI on outer race of bearing
From outside Tap the outer race of
bearing towards drive end housing.
Note:
distance outer race moves.
Shift outer race to center point plus 0.004”
further apart.
Tighten ¼” cap screws in rear bearing
cover to 3.5 ft-lbs
Tighten ¼ Clamp bolts in bearing carrier
to 9.5 Ft/lbs
Minimum bearing clearance 0.002”
Tighten ¼ cap screws in bearing carrier to
12 ft/lbs
Tighten cap screws to 25 Ft-lbs
Tighten ½” cap screws that hold drive
housing in place to 45 Ft-lbs
Once bearing clearance is reduced by
0.001” screw in 4 x SSF0608 set screws
and nip.
Sign as
torqued
Sign as
torqued
Sign as
torqued
Sign as
torqued
Sign as
torqued
5
Check O Rings in recess.
6
Mark cap screws as torqued with a dab of
colored lacquer; or permanent marker.
(*)
7
Check rotation for freedom movement
(*)
IV. Fitting Oil Pump Housing assembly
1
Oil Pump Housing assembly to be
assembled as per assembly procedure.
Procedure number: PRA-008
(Oil Pump Housing CRA-352-1
Assembly)
2
Oil pickup filter assembly is fitted from
the inside of the crankcase. Its tube is
passed through from inside the crankcase
to protrude through the recess and be
flush with end of crankcase. This is to be
expanded into the hole so as to lock it
permanently in position.
This needs to be carried out prior to
installing CRA-3640
(*)
Intermech Ltd. BBR-6015-2 Compressor Service Manual
