Service manual

FAN GEARBOX (Cont’d)
Checking Backlash
NOTE: If square shims are used, put a small amount
of the liquid adhesive on both sides of all
shims.
Install the four mounting bolts through the flange holes
[C].
Install the part number tag [C].
Install and tighten the nut to 25–28 ft.–lbs. (34–38 Nm)
torque.
Install the long key (Item 1) [D] and the pulley (Item 2) [D].
Install a bolt in the set screw hole to maintain a 1.0 inch
(25,0 mm) distance from the shaft center to the bolt head
(to be used with a dial indicator) [D].
The backlash tolerance between the gears should be
0.005–0.008 inch (0,127–0,203 mm).
To check the gear backlash use the following procedure:
Put the short housing in a vise, square flange facing up
as shown [A].
Install the same size and number of square shims (if
present during disassembly) between the two housings
[B].
Set the long housing on the short housing with a small
amount of liquid adhesive (LOCTITE #242) between the
mounting surfaces.
NOTE: For procedures requiring the use of LOCTITE
adhesive, thoroughly clean and dry affected
parts before the application of LOCTITE.
A
P–02987
C
P–02983
Part Number
Tag
D
P–02984
2
1
1.0”
(25,0 mm)
853, 853H Loader
–7–27– Service Manual
B
P–02981