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TM 5-2420-222-34
8-6.
DIFFERENTIAL DRIVE SHAFT ASSEMBLY MAINTENANCE (Con’t).
7.
Install differential assembly (see paragraph 8-7).
8.
Wedge a clean rag between gear teeth. Install special nut (1) and washer (2) on drive shaft (20). Torque special
nut to 160 lb.-ft. (217 N•m). Remove rag from gears.
9.
Using dial indicator and pry bar, move drive shaft (20) with assembled parts back and forth and record end play.
10.
End play must be 0.006 in. (0.152 mm) on loader backhoes with serial numbers 235786-235999. End play must
be 0.002-0.005 in. (0.051-0.127 mm) on loader backhoes with serial numbers 319995-342573.
11.
Using torque wrench and socket wrench adapter, turn drive shaft (20) with assembled parts one complete
revolution and record rolling torque. Rolling torque must be 10-20 lb.-in. (1.1-2.3 N-m).
NOTE
If readings recorded In steps 10 and 11 are as specified, skip steps 12 through 17.
12.
Wedge a clean rag between gear teeth and remove special nut (1) and washer (2) from drive shaft (20).
13.
Remove bearing cone (3) from drive shaft (20) and bearing cup (4).
14.
Slide drive shaft (20) rearward to access shims (5).
15.
If end play reading In step 10 is higher than specified, add shims (5) as required. If reading is lower, remove
shims as required.
16.
If rolling torque reading in step 11 is higher than specified, add shims (5) as required. If reading is lower, remove
shims as required.
17.
Install bearing cone (3), special nut (1), and washer (2) on drive shaft (20). Torque special nut to 160 lb.-ft. (217
N•m).
18.
Stake special nut (1) in place on drive shaft (20).
FOLLOW-ON TASKS:
•
Install transmission drive shaft (see paragraph 8-5).
8-33
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