Chapter 3: Operation
36
M47-17035-EN
columns. Tighten the cap screws to the torque specified in
(use hex-bit socket
and torque wrench).
8. Normal operation can now resume.
Figure 7. Loosening and tightening a Superbolt tensioner.
View A
Loosening
View B
Initial tightening of
tensioners with
8 jackbolts
View C
Subsequent
tightening of
tensioners with
8 jackbolts
View D
Tightening of
tensioners with
6 jackbolts
Table 12. Crosshead jackbolt torque requirements.
Frame Model
Number of
Tensioners
Jackbolt
Specifications
Hex Socket Size
Target Torque
600KPX-J1
6
M10, quantity 6
8 mm
47.5 N-m (35 ft-lbs)
1000KPX-J1
4
M12, quantity 8
10 mm
135 N-m (100 ft-lbs)
1500KPX-J1
6
M12, quantity 8
10 mm
135 N-m (100 ft-lbs)
