Hägglunds Compact CA, Installation And Maintenance Manual

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Installation and Maintenance Manual, Compact CA
3.1.3a Fitting the torque arm to the motor
Note: Use torque wrench and oiled screws!
Table 3.7a
Do not weld, drill, grind or
carry out any similar work
on the torque arm without
Hägglunds approval.
Figure 3.9 CA 50/70 The torque arm is fitted to the motor before the
motor is mounted on the driven shaft.
- Open the nuts M16 screws for CA 50-70.
- Clean the spigot surface on the torque arm
and motor.
- Oil the screws.
- Make sure that the torque arm will be point-
ing in the right direction when the motor is
mounted in place on the machine. To achieve
the highest possible oil level in the motor
housing, the motor must be turned until the
drain outlets are positioned according to
figure 3.12.
- Line up the torque arm on the motor by
using the screws with washers.
- Mount screws and washers according to fig-
ure 3.9 and screws according to figure 3.9a.
- Tighten the screws to the torque stated in the
table below.
Installation
Figure 3.9a CA 100/140/210
Motor Screw dimension
Number of
screws
Tightening torque
Nm lbf·ft
CA 50
CA 70
CA 100
CA 140/210
M16 Strength class 10.9
M16 Strength class 10.9
M20 Strength class 10.9
M20 Strength class 10.9 16
20
17
21 280
280
540
540 205
205
400
400