ZF Repair Manual: ZF63IV, ZF80IV, ZF80-1IV
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Repair Manual and Spare Parts List
Section 7: Tightening torques
TIGHTENING TORQUES
PART
SIZE
TORQUE
IN lb.ft.
TORQUE
IN Nm
LOCTITE
Mounting bracket ZF63IV
M12
min.102 - max. 104
min. 75 - max 77
Ð
Mounting bracket bolts ZF80IV, ZF 80-1IV
M12
min.102 - max. 104
min. 75 - max 77
Ð
Housing bolts
M10
30
40
Ð
Output flange bolts ZF 63IV
M8
24
32
242 or 262
Output flange bolts ZF 80IV - ZF80-1IV
M12
74
100
242 or 262
Control block bolts
M8
13
18
242 or 262
Shifting lever bolt
M8
17
23
Ð
Stud bolts
M16
26
35
242 or 262
Screw
M5
4
5
242 or 262
Oil plug
Ð
30
40
243
Oil breather
Ð
Hand tight
Hand tight
Ð
Fluid dipstick
Ð
Hand tight
Hand tight
Ð
Filter cover screw
M8
min. 4 - max. 6
min. 5 - max. 8
Ð
Control block stop screw
Ð
9
12
Ð
Control block pressure screw
M10
9
12
Ð
Neutral safety switch
-
18.5
25
Ð
Control block guide bolt
-
9
12
Ð
Control block temperature plug
-2
6
3
5
Ð