Bosch Rexroth Hagglunds VI 44 Series Installation And Maintenance Manual page 20

20/68 Installation
Bosch Rexroth Mellansel AB, Intallation and maintenance manual, Hägglunds VI, RE 15310-WA/10.2015
Mounting of torque arm on series 84
• Mount the torque arm on the motor mounting flange. Connection "D1" should be
upwards.
• Lubricate the screws with oil and tighten them to the prescribed tightening torque:
M24 – 1200 Nm (885 lbf·ft)
1" UNC – 1400 Nm (1033 lbf·ft)
Notice! With regard to the screws see the marking on motor rear cover.
One slot = Metric thread
Two slot = UNC thread
3
1
Fig. 17: Torque arm TAC 1250-B
Mounting of attachments
The attachments for TAC 1000-K and TAC 1250-B must be welded to the surround as
shown in figure 18 and 19. For the stiff attachment it is only necessary for one of the
assembly surfaces to be welded.
Quality requirements:
Welding class K1 according to HS 2020 2015, EN 25 817:1992.
Welding class Sv2 according to Building Welding Standard StBk-N2.
Welding class AK according to DIN 8562. ASME Boiler Code Section VIII.
BS 1500:1 and BS 1515:1.
It is strongly recommended to use pivoted attachment
2
NOTICE
1. Torque arm
2. Motor mounting flange
3. 24 pcs MC6S 24 x 65 screws,
strength class 12.9 (ISO 898/1),
or 24 pcs UC6S 1" UNC x 64
(2 1/2") screws, strength class
12.9 (ISO 898/1)