ABB IRB 930 - Inspecting Timing Belts

4.4.5 Inspecting timing belts
Location of timing belts
The timing belts are located as shown in the figures.
Required tools and equipment
NoteEquipment
The content is defined in the section Stand-
ard toolkit on page 596.
Standard toolkit
Other tools and procedures may be required
if the spare part needs to be replaced. These
are specified in the replacement procedure.
Timing belt tension
The table describes the timing belt tension.
FrequencyForceAxis
New timing beltUsed timing beltNew timing beltUsed timing belt
109-119 Hz139-149 Hz40-53 N36.6-41.8 NAxis 3
88.4-92.7 Hz312-333 Hz35-50 N36.3-41.4 NAxis 4
Inspecting timing belts
Use this procedure to inspect timing belts.
InformationAction
DANGER
Turn off all:
• electric power supply
• hydraulic pressure supply
• air pressure supply
to the robot, before entering the robot
working area.
1
Gain access to each timing belt by removing
the cover.
2
Check the timing belts for damage or wear.3
Check the timing belt pulleys for damage.4
If any damage or wear is detected, the part
must be replaced!
5
See Timing belt tension on page 94.Use a sonic tension meter to measure the
timing belt tension.
6
Adjust the belt tension if needed!
94 Product manual - IRB 930
3HAC086009-001 Revision: A
© Copyright 2023 ABB. All rights reserved.
4 Maintenance
4.4.5 Inspecting timing belts