HALE ESP Primer System - Annually; Clean ESP Priming Pump

37
ESP Primer System Instruction Guide
p/n: 029-0810-01-0
Maintenance ❑
IMPORTANT !
IF LEAKS CANNOT BE DETECTED BY FOLLOWING THE PROCEDURE, IT IS
ADVISABLE TO TEST THE PUMP HYDROSTATICALLY. TO TEST:
❑ OPEN ALL VALVES
❑ PLACE CAPS ON ALL VALVES
❑ CONNECT A POSITIVE PRESSURE SOURCE (TYPICALLY 250 PSI / 17 BAR)
❑ INSPECT THE PUMP FOR LEAKS
Annually
Clean ESP Priming Pump
Disassemble the priming pump and inspect and clean the housing and vanes.
(See Figure 5-2: “Primer Pump Parts Overview.”)
Figure 5-2: Primer Pump Parts Overview
1. Place apparatus out of service in accordance with your departmental
procedures.
2. Park the vehicle on a level surface. Set the parking brake and chock the
front and rear wheels in accordance with your departmental procedures.