ELECTRIC SYSTEM
KUKJE MACHINERY CO., LTD.
179
Engine Oil Pressure Switch Continuity
1. Measure the resistance with an ohmmeter across the switch terminal
and the chassis.
2. If 0 Ω is not indicated in the normal state, the switch is faulty.
3. If infinity is not indicated at pressure over 4.9kPa (0.5kgf/cm
2
, 7psi), the
switch is faulty.
resistance (Switch In normal state 0 Ω
At pressure over
approx. 4.9kPa
(0.5kgf/cm
2
, 7psi)
Infinity
(1) Engine Oil Pressure Switch
Glow Plug
1. Disconnect the lead from the glow plug.
2. Connect the tester positive cable to the glow plug lead and negative
one to the chassis.
3. Measure its voltage with a voltmeter, after turning the main switch to
the preheating or starting position.
4. If its voltage is not approximately the battery one, check the main
switch or wiring harness.
(1) Glow Plug (a) From Main Switch 19
And Pre-heat Indicator Lamp
Monitor Lamp (for Charge, Engine Oil Pressure, Pre-
heat, Illumination and Hazard)
1. After removing the panel board from tractor, remove
the plate behind the panel.
2. Remove the each lamp.
3. Measure the lamp resistance.
4 If it is infinity, replace the lamp with new one.
Lamp spec. All lamp 12V, 1.4W
(1) Illumination (5) Head Light
(2) Hazard (6) Pre-heat
(3) Charge (7) Water-sep
(4) Engine oil Pressure (8) PTO
8. CHECKING DISASSEMBLING AND SERVICING
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