Onan BF Series User Manual

MEASURE ENDPLAY HERE
(REFER TO DIMENSIONS
AND CLEARANCES)
FIGURE 35. MEASURING BEARING CLEARANCE
FIGURE 34. CRANKSHAFT ENDPLAY
CRANKSHAFT ENDPLAY
After the rear bearing end plate has been tightened
using the torque recommended in Assembly Torques
check the crankshaft endplay asshown in Figure 34. If
there is too much endplay (see Dimensions and
Clearances for minimum and maximum endplay),
remove the rear bearing end plate and add a shim
between the thrust washer and plate. Reinstall the end
plate making sure the thrust washer and shim notches
line up with the lock pins. Torque and recheck
endplay of the crankshaft.
Checking Bearing Clearance with Plastigauge:
1. Make certain that all parts are marked or iden-
tified so that they are reinstalled in their original
positions.
2. Place a piece of correct size Plastigauge in the
bearing cap the full width of the crankshaft rod
surface about 1/4 inch off center (Figure 35).
Use heavy fiber or
cup grease in space
between seals to
improve seal.____
GEAR COVER
OIL SEAL
— MOUNTING FACE
OF GEAR COVER
A877
-»3l/32"
•New style thin
open-face seal
dimension is
i-y/e*"
THIS SURFACE SHOULD BE
CLEANED OF ALL OLD
SEALING COMPOUND BE-
FORE INSTALLING SEAL.
REAR BEARING PLATE
THIS SURFACE SHOULD BE
CLEANED OF ALL OLD
SEALING COMPOUND BE-
FORE INSTALLING SEAL.
DRIVE OR PRESS OIL
SEAL TO SHOULDER
OF THE PLATE BORE
GEAR COVER OIL SEAL
REAR BEARING PLATE
OILSEAL
FIGURE 36. GEAR COVER AND REAR BEARING PLATE OIL SEALS
33

Onan BF Series Specifications

General

Brand	Onan
Model	BF Series
Category	Welding System
Language	English