LUBRICATION SYSTEM EM -69
3. Check the tip clearance on the pump roter.
EDKD206A
EDKD205A
RELIEF VALVE AND SPRING
1. Chec k sliding condition of the relief valve inserted in
the front case.
2. Inspect for distorted or broken relief valv e spring.
Standard value
Free height : 46.6 mm (1.8346 in.)
Load : 6.1 kg/40.1 mm (13.42 lb/1.578 in.)
OIL PRESSURE SWI TCH (Normally Closed type STD.)
1. Use an ohmmeter to check the continuity between the
terminal and the body. If there is no continuity, replace
the oil pressure switch.
EDDA061A
2. Check the continuity between the terminal and the
body when the fine wire is pushed. If there is con-
tinuity even when the fine wire is pushed, replace the
switch.
3. If there is no continuity when a 50 kPa (7 psi) pressure
is applied through the oil hole, the switch is operating
properly.
Check f or air leaks. If air does leak, the diaphragm is
broken. Replace the switch.
Fine wire
EDDA061B
ZENITH POWER PRODUCTS - 416
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