ABB IRB 2000 - Page 39

22. Mount sign <6/25>.
Tightening torque:
Screw joint gearbox/intermediate plate, pos 24, 25: 98 Nm
Screw joint lower arm/ gearbox, pos 8: 98 Nm
24 Lower Arm
Exchange of lower arm
Dismounting:
Reference is made to foldout no. 3 in the spare parts section.
1. Dismount parallel bracket <4/2> in accordance with chapter 3, Exchange of parallel
bracket.
Dismount upper arm in accordance with chapter 3, Dismounting of upper arm,
complete.
Dismount gearbox no 3 in accordance with chapter 3, Exchange of gearbox.
Couple lifting strap to the lower arm.
A
Observe great caution when disconnecting the lower arm!
5.
Unscrew
ring
<8>.
6. Push lower arm sidewards from gearbox no 2 and lift away.
7. Press out bearing <10> and flange <11> as a unit from lower arm.
Mounting:
Reference is made to foldout 3 in the spare parts section.
8.
9.
10.
11.
12.
13.
14.
Mount bearing <10> and flange <11> as a unit in a new lower arm.
Lift the lower arm in place towards gearbox no 2. N.B. Observe the roll pin!
Grease screws <8> slightly with molybdenum disulphide grease and mount ring <6>.
Tighten with torque , 98 Nm.
Mount gearbox 3 <2/3> according to chapter 3, Exchange of gearbox.
Mount parallel arm <13> in accordance with chapter 3, Dismounting parallel arm.
Mount upper arm in accordance with chapter 3, Dismounting upper arm.
Mount parallel bracket <2> in accordance with chapter 3, Exchange of parallel
bracket.
Mechanical repair IRB 2000