R&M Materials Handling ELECTRIC CHAIN HOISTS LoadMate Chain Hoist TDU Motorized Trolley - Manual (Page 11)

R&M Materials Handling, Inc LoadMate Chain Hoist
Springfield, Ohio USA TDU Instruction Manual
(: 800 955-9967 Revision 2
web: www.rmhoist.com
08/13/02 RM-LM-TDU-MAN-1999-2-ENG.doc 11
Description of Brake
1. Support
2. Adjusting
screw
3. Electromagnet
4. Spring
5. Anchor
disk
6. Brake disk
The minimum Air gap is 0.018” [0.45mm]. Reset air gap if it exceeds 0.037” [0.95mm].
Brake Spring
With a standard spring
Spring force: 7.6 lb.
Braking torque: 0.051 lb.ft
Adjustment of the Air Gap
1. Remove the cover (7) and the sealing (8).
2. Remove the wires coming from PC-board from the terminal. The brake wires are not needed to remove.
3. Remove the two screws, (9) from the support, (1).
4. Extract the support / brake assembly taking care not to force the feed wires.
5. Use a feeler gauge to measure the air gap at several points and then adjust it by loosing or tightening the
three screws, (2). Set air gap for 0.018” [0.45mm].
6. Once adjusted, tighten the 3 nuts (11) for the each screw (2).
7. Fit the brake and the cover and wires to terminal and tighten to the required torque.
8. Connect the wire to terminal.
9. Carry out the braking tests.