Oil Pump - Tracker Off-Road 500S Service Manual

PK188A
5. Secure the passenger side under seat storage tray
using four cap screws and tighten securely.
PK194A
6. Install the engine compartment panel; then secure it
using the cap screws and reinstallable rivets.
PK151A
7. Install the seat.

Oil Pump

 NOTE: Whenever internal engine components wear
excessively or break and whenever oil is contami-
nated, the oil pump should be replaced.
TESTING OIL PUMP PRESSURE
NOTE: The engine must be warmed up to operating

temperature (cooling fan cycling) for this test.
1. Remove the right-rear splash panel. Connect the
Tachometer to the engine or utilize the LCD.
94
2. Connect the Oil Pressure Test Kit to the oil pressure
test port.
KC370A
 NOTE: Some oil seepage may occur when installing
the oil pressure gauge. Wipe up oil residue with a
cloth.
3. Block the wheels, place the transmission in neutral,
and start the engine. Allow the engine to warm up to
operating temperature (with cooling fan cycling).
4. With the engine running at 3000 RPM, the pressure
gauge must show 1.12-1.47 kg/cm2 (16-21 psi).
5. Remove the test kit and tachometer from the vehicle
and install the oil pressure port plug. Tighten
securely.
6. Install the right-rear splash panel.
NOTE: If the oil pressure is lower than specified,

check for an oil leak, damaged oil seal, or defective oil
pump.
NOTE: If the oil pressure is higher than specified,

check for too heavy engine oil weight (see General
Information/Foreword, Gasoline — Oil — Lubri-
cant), clogged oil passage, clogged oil filter, or
improper installation of the oil filter.
REMOVING/DISASSEMBLING
Remove the oil pump from the engine (see Left-Side
Components in the Engine/Transmission section).
INSPECTING
1. Inspect the pump for damage.
2. It is inadvisable to remove the screw securing the
pump halves together. If the oil pump is damaged, it
must be replaced.
 NOTE: The oil pump is only serviceable as an
assembly.
ASSEMBLING/INSTALLING
Install the oil pump (see Installing Left-Side Components
in the Engine/Transmission section).