42/68 Installation
Bosch Rexroth Mellansel AB
,
Installation and maintenance manual , Hägglunds CB, RE 15302-WA/05.2019
Fig. 39: Tightening order
DD00058188
Table 15: Screws and tightening torque, for standard shrink discs
Motor type
Shrink
disc size
Number of
screws
Screw dim. Strength
Tightening
Type of head
Nm
Ibf ft
CB 280
⌀ 405
12
M20 x 80
10.9
490
362
Hexagon
CB 400
⌀ 440
15
M20 x 90
10.9
490
362
Hexagon
CB 560
⌀ 520
20
M20 x 100
10.9
490
362
Hexagon
CB 840
⌀ 520
20
M20 x 100
10.9
490
362
Hexagon
CB 1120
with coupling
adapter
⌀ 690
34
M20 x 130
10.9
490
362
Hexagon
NOTE
!
• Uncoated screws greased with
Molykote G-Rapid plus paste
.
•
There is a metallic sign on every coupling with a tightening torque stamped on it.
This torque is always to be used.
• Tightening torque value is critical. Use calibrated torque wrench.
NOTICE
Slipping shaft.
Damage of motor or customer shaft.
▶
There is a metallic sign on every shrink disc with a tightening torque stamped on
it. This torque is always to be used.
▶
Tightening torque value is critical. Use calibrated torque wrench.
▶
Uncoated screws shall be greased with
Molykote G-Rapid plus paste
.