Harrington Hoists and Cranes SH Hoist User Manual
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CONTENTS
HARRINGTON PEERLESS (SH series) electric chain hoists are single
phase hoists with low voltage push button stations.
Please read this manual thoroughly before operating the hoist.
PRE-OPERATIONAL CHECKS
1. Check voltage supply and electrical connection ....................... 3
2. Fill gear box ............................................................................... 3
3. Install load chain container to hoist body .................................. 3
4. When chain container is not used ............................................. 3
5. Coat load chain with oil ............................................................. 3
6. Prevent twist in load chain......................................................... 4
7. Electrical power supply.............................................................. 4
8. Notes on trial operation ............................................................. 5
TIPS FOR SAFE OPERATION
1. Friction clutch ............................................................................ 5
2. Hang load carefully on the hook ................................................ 6
3. Safety latch on hook .................................................................. 6
4. Do not lift load with multiple hoists ............................................ 6
5. Always lift load at its center of gravity ....................................... 6
6. Do not reverse direction of motor rotation quickly ..................... 6
7. Do not bump trolley against beam stopper ................................ 6
8. Do not pull the push button control cord ................................... 6
9. Caution when welding ............................................................... 7
10. Do not allow load to hit load chain container ............................ 7
11. Test Limit Switch periodically .................................................... 7
CARE AND MAINTENANCE
1. Gear box oil ............................................................................... 7
2. Cleaning and coating of oil to load chain .................................. 7
3. Storage ...................................................................................... 7
TROUBLE SHOOTING
Chart .......................................................................................... 8