®
R&M Materials Handling, Inc
LoadMate®
Chain Hoist
Springfield, Ohio USA
LM16-20-25 Manual
: 800 955-9967
April 2005
www.rmhoist.com
April 1, 2005
17
LM16-20-25-I&M
MANUAL-2005-0
5.3
Torque Limiter (Refer to Figure 5.4)
The hoist is equipped with a torque limiter that is located in the gearbox assembly. The torque limiter is a
safety device that prevents lifting excessive loads that may damage to the hoist. The torque limiter is a
friction type slip clutch that couples the motor to the gear train.
Torque Limiter Adjustment (Refer to Figure 5.4)
1. Remove three-sided branding panel.
2. Use two small straight-slot screwdrivers and remove plastic cap from center of gearbox cover.
3. Loosen locking screw (item 16).
4. Use a 46mm socket to turn the adjusting nut (item 15).
•
Turn clockwise to increase torque setting
•
Turn counter-clockwise to decrease torque setting
5. Set limiter equal to or 5 percent less than 125 percent of nameplate capacity.
6. Tighten locking screw (item 16).
7. Replace plastic cap.
8. Replace three-sided branding panel.
FIGURE 5.4
