18
COMMON
5-5-3) Cautions on Handling Taper Grip
1. Never use lubricants containing antifriction composition. It may reduce the designated transmission torque.
2. Always use a torque wrench when tightening bolt and apply designated torque in the order indicated in this maintenance
manual.
It may result in reduced transmission torque or loosening otherwise.
3. Do not exceed the designated tightening torque.
It may result in damages of bolt, taper grip, etc.
4. Tighten bolts regularly for safety.
4. Additional tightening after operation.
Check the tightening torque 20-30 hours after operation. Tighten again with designated tightening torque when they
seem to be loose.
Make sure to check the tightening torque in regularly, such as once every half year.
5-5-2) Taper Grip Removal
1. Loosen tightening bolt in the designated order slowly until they separate from the thrust collar of the spot facing hole.
2. Pound the flange of the taper grip lightly with a wooden or a plastic hammer.
Now, the reducer is free from the mechanical shaft.
3. Tighten two of the tightening screw lightly by hand.
This is for not locking the taper grip when removing the reducer from the shaft.
Remove reducer from the mechanical shaft in this condition.
Use the puller for taper grip flange when removal is difficult.
is 0, 5, DA, DB or DC.
HBB : HELICALL BUDDY BOX
BBB : BEVEL BUDDY BOX
-
4A10 , 4A11 , 4A12 , 4A14
3A10 , 3A11 , 3A12 , 3A14
4B12 , 4B14 , 4B16
3B12 , 3B14 , 3B16
4C14 , 4C16 , 4C17
3C14 , 3C16 , 3C17
4D16 , 4D17
3D16 , 3D17
4E17 , 4E18 , 4E19
3E17
BBB Size HBB Size
Z609
A610
B612
C614
D616
E617
Tighten Bolt
6
6
6
6
6
8
M10 X 15
M12 X 15
M12 X 15
M16 X 20
M16 X 20
M16 X 20
Size
50
75
140
250
300
300
Tighten Torque
Q’ty Nm
5.10
7.65
14.3
25.5
30.6
30.6
kgf·m
Table 4
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