Bosch Hagglunds CB Installation And Maintenance Manual page 42

42/68 Installation
Bosch Rexroth Mellansel AB, Installation and maintenance manual , Hägglunds CB, RE 15302-WA/05.2019
Fig. 39: Tightening order
Table 15: Screws and tightening torque, for standard shrink discs
Motor type Shrink
disc size
CB 280 ⌀ 405
CB 400 ⌀ 440
CB 560 ⌀ 520
CB 840 ⌀ 520
CB 1120
with coupling ⌀ 690
adapter
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.
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.
Number of Screw dim. Strength
screws
12 M20 x 80 10.9
15 M20 x 90 10.9
20 M20 x 100 10.9
20 M20 x 100 10.9
34 M20 x 130 10.9
NOTICE
DD00058188
Tightening Type of head
Nm Ibf ft
490 362 Hexagon
490 362 Hexagon
490 362 Hexagon
490 362 Hexagon
490 362 Hexagon