HALE RSD - ESP Primer Maintenance; Figure 61. ESP Exploded View

C-9
C.3.3.3 ESP Primer Maintenance
The Hale ESP primer (see Figure 60) is relatively maintenance free. If after testing the primer
fails to pull 22 (± 2) inHg of vacuum one of the following may be the cause.
• Vanes may be worn (require replacement)
• Seals/O-rings may be damaged (replace all seals/O-rings)
• Excessive deposit built up (clean primer)
Figure 61. ESP Exploded View
Perform the following to maintain the primer.
NOTE
Before beginning disassembly note/match mark/tag the position and locations of
components to ensure correct assembly.
Disassemble Pump
A. Remove primer from mounting point according to OEM instructions.
B. Tag and disconnect wires.
Tag and disconnect battery connection. 1.
Tag and disconnect solenoid connection. 2.
Tag and disconnect ground connection. 3.
C. Tag and disconnect hose(s).
Tag and disconnect suction hose. 1.
If applicable, tag and disconnect discharge hose. 2.