Rockwell Automation Publication 1502-UM060A-EN-P - October 2020
35
Chapter
4
Maintenance
Tool Requirements
When maintenance is performed on the vacuum contactor, the following tools
are required:
•
3/8 in. drive ratchet wrench with extension
•
3/8 in. drive torque wrench
•
Standard 3/8 in. drive sockets; 7/16 in., 1/2 in.
•
Open-end wrenches; 7/16 in., 1/2 in., 5/8 in.
•
Slot head screwdrivers; 1/8 in. wide, 1/4 in. wide
•
External retaining ring pliers (STANLEY-PROTO #393 or equivalent)
•
Feeler gauge set (0.030 in. [0.76 mm] and 0.075 in. [1.91 mm])
•
Feeler gauge set (0.010 in. [0.25 mm]) Mechanical Latch
•
2 in. C-Clamp
•
Armature clamping fixture (Allen-Bradley PN-195987)
•
Digital caliper capable of depth measurement
•
High potential tester
Recommended Torque
Values
Part of the contactor may have to be disassembled for maintenance or
replacement. There are appropriate torque requirements for particular bolt
sizes when reassembling the contactor. Use the torque values that are specified
in
IMPORTANT
Some components of this product incorporate imperial hardware.
Rockwell Automation recommends the use of the appropriate
tools to complete the maintenance procedure on these
components. If you cannot obtain such tools, contact your
Rockwell Automation sales office.
Table 10 - Torque Values
#10 in. hardware
2.7 lb•ft (3.6 N•m)
1/4 in. hardware
6 lb•ft (8 N•m)
5/16 in. hardware (Grade 2)
(1)
(1)
All 5/16 hardware is Grade 2 unless otherwise specified.
11 lb•ft (15 N•m)
5/16 in. hardware (Grade 5)
(2)
(2) See
.
18 lb•ft (24 N•m)
3/8 in. hardware
20 lb•ft (27 N•m)
