–
+
ELEC
OIL FEED PUMP CONTROL SYSTEM
8710
8720
CHECKING THE EMERGENCY
SWITCH
1. Check:
• Emergency switch continuity
Out of specification → Replace.
Switch
position
Home a
On b
2. Check:
• Emergency switch
Does not automatically return to the
home position → Replace.
CHECKING THE OIL PUMP
(SUB-OIL TANK)
Check:
• Oil pump (sub-oil tank)
Incorrect operation → Replace.
NOTE:
Connect the oil pump leads to a 12-V bat-
tery and make sure the oil pump operates
properly.
Blue (L) lead → Positive battery terminal
Brown (Br) lead →
Negative battery terminal
8-46
E
Lead color
Blue (L) – Black (B)
No continuity
Continuity
8
8