Hale SMR - Manual (Page 56)

Preventive Maintenance
4-4 Stainless Max Series Pumps
Pump Shift Warning Indicator Lights
CAUTION!
MAKE SURE EVERYONE IS CLEAR OF THE APPARATUS.
VERIFY THE PARKING BRAKE IS SET AND THE WHEELS ARE
CHOCKED TO PREVENT ANY MOVEMENT OF THE APPARATUS.
1. Follow the operating procedures in Section 3 to engage the pump
if no local procedures exist.
2. Verify that the warning indicators in the cab and the pump control
panel function properly.
3. Verify that the indicator lights on the control panel function prop-
erly and agree with the indicators in the cab.
4. Repair or replace any malfunctioning indicators.
Valve Maintenance
Properly functioning valves are integral to the operation of the
pump. The relief valve operating control should be lubricated every
5 months. or sooner, depending on use. Also refer to the valve
manual for proper valve maintenance procedures.
1. Lubricate all suction and discharge valves using an approved
lubricant as stated in the valve manual.
2. Verify each valve operates easily and closes completely.
3. Inspect and lubricate all of the valve linkages.
4. Repair or replace any damaged or nonfunctional linkages.
Check and Clean the Intake Strainers
1. Remove the strainers.
2. Clean any debris from the intake.
3. Flush the pump, if required by department procedures.
4. Repair or replace any damaged strainers.