MAINTENANCE OF THE BENCH GRINDER
!
WARNING
Turn the power switch “OFF” and unplug the power cord from its power source prior to any maintenance.
LUBRICATION
The Bench Grinder has sealed lubricated bearings in the motor housing that do not require any additional lubrication from the operator.
CLEANING
With the Bench Grinder unplugged, rotate the abrasive wheels slowly and inspect for any damage or trapped shavings.
CAUTION: REPLACE the abrasive wheels if there is any damage at all. FAILURE to replace a damaged wheel can cause serious injury to the operator.
CAUTION: DO NOT USE FLAMMABLE MATERIALS to clean the Bench Grinder. A clean dry rag or brush is all that is needed to remove dust and debris buildup.
!
WARNING
Repairs to the Bench Grinder should be performed by trained personnel only. Contact your nearest Sears Service Center for authorized service. Unauthorized repairs or replacement with
TROUBLESHOOTING
TO PREVENT INJURY TO YOURSELF or damage to the Bench Grinder, turn the switch to the “OFF” position and unplug the power cord from the electrical receptacle before making any adjustments.
PROBLEM | LIKELY CAUSE(S) | SOLUTION | ||
|
|
|
|
|
Motor does | 1. | Machine not plugged in | 1. | Plug power cord into electrical receptacle |
not run | 2. | Power switch in “OFF” position | 2. | Lift switch to “ON” position |
| 3. | Power cord is faulty | 3. | Return to Sears Service Center |
| 4. | Fuse or circuit breaker are open | 4. | Overloaded electrical circuit |
| 5. | Damaged motor | 5. | Return to Sears Service Center |
|
|
|
|
|
Motor does not | 1. | Incorrect line voltage | 1. | Have a qualified electrician check line for proper voltage |
have full power |
|
|
|
|
| 2. | Damaged motor | 2. | Return to Sears Service Center |
|
|
|
|
|
Motor runs hot | 1. | Motor is overloaded | 1. | Reduce pressure on workpiece |
| 2. | Poor air circulation around motor | 2. | Remove any blockage around motor |
|
|
|
|
|
Motor stalls or | 1. | Motor is overloaded | 1. | Reduce pressure on workpiece |
runs slow |
|
|
|
|
| 2. | Incorrect line voltage | 2. | Have a qualified electrician check line for proper voltage |
| 3. | Capacitor has failed | 3. | Return to Sears Service Center |
|
|
|
|
|
Fuse blows or | 1. | Motor overloaded | 1. | Reduce pressure on workpiece |
circuit breaker | 2. | Overloaded electrical circuit | 2. | Reduce the amount of items on circuit |
trips | 3. | Wrong fuse or circuit breaker | 3. | Replace with correct fuse or circuit breaker |
| 4. | Undersized or excessive length of | 4. | Use correct size |
|
| extension cord, see manual |
|
|
| 5. | Grinding wheels are blocked | 5. | Unplug machine and remove obstruction |
|
|
|
|
|
13