Stanley GR30 User Manual page 14

The following items should be checked daily at the start and the end of each work shift.
Make sure the hydraulic system control valve is in the OFF position and the hoses are disconnected before inspecting
the grinder.
1. Inspect the grinding wheel and guard:
a. Make sure the correct grinding wheel is installed for the job. If not, follow the instructions for the Grinding
Wheel Replacement. Refer to the Specifications Section for the grinding wheel requirements.
b. Inspect the wheel for chips, cracks, or other damage. For maximum tool performance, replace the wheel if
it is worn or defective.
c. Inspect the wheel guard for cracks or other structural damage and replace if necessary.
d. If necessary, adjust the position of the wheel guard by loosening the clamp.
e. Check the capscrews on the wheel guard for tightness.
2. Inspect the cross handle:
a. Make sure the cross handle in screwed tightly into the main body housing.
b. Clean any oil from the cross handle to ensure a firm grip.
3. Check the trigger mechanism:
a. Make sure the trigger operates smoothly and is free to travel between the ON and OFF positions.
b. Make sure the grinder stops when the trigger is released.
4. Check to ensure that the flanges, spindle and spindle threads are not worn, cracked or damaged. Replace any
worn, cracked or damaged parts before using the tool.
5. The tool should be clean, with all fittings and fasteners tight.
6. Check the tool for oil leaks. If leaks are observed, do not use the tool; have the equipment serviced before use.
HYDRAULIC POWER SOURCE CHECK
1. Connect the hydraulic hoses in accordance with the instructions for Hydraulic Hose Connection. Wipe all hose
couplers with a clean, lint-free cloth before making connections. Dirty couplers can contaminate the hydraulic
circuit and prevent a good seal at the connection.
2. Using a calibrated flow meter and pressure gauge, check the hydraulic power source at the tool's input port.
Make sure the system provides the following flow requirements:
14 ► GR30 User Manual
OPERATION
Maintaining or repairing the tool with the hydraulic
system before startup is important for safe, reliable
operation of the tool.
To prevent accidental startup while maintaining or
servicing the tool, disconnect the hydraulic power
before beginning task.
Check the speed of the motor output shaft after
every 100 hours of operation using a contact
tachometer.