4-5
4
CLEANING AND INSPECTING
NOTE: Whenever a part is worn excessively,
cracked, or damaged in any way, replacement is
necessary.
1. Remove the fuel level sensor and fuel pick-up
screen. Account for a seal.
2. Completely drain all contaminated fuel from the
fuel tank; then thoroughly wash the tank out with
hot, soapy water.
3. Dry the tank interior with compressed air.
NOTE: Repeat steps 2 and 3 until all contami-
nants are removed.
4. Back-flush the fuel screen with hot, soapy water
and dry with compressed air.
NOTE: If any “pin-holes” are noted in the fuel
screen, replace the fuel level sensor assembly.
5. Inspect the tank cap and filler neck for chipped or
broken threads.
6. Inspect the fuel tank mountings for security, signs
of cracking, or wearing through the tank.
7. Inspect all fuel and vent hoses for cracks, soften-
ing, or deterioration. Replace as required.
INSTALLING
1. Place the fuel tank into position in the frame; then
install the cap screws. Tighten securely.
2. Connect the fuel hose from the lift pump; then
connect the fuel gauge connector.
3. Install the vent hose and fuel return hose; then fill
the fuel tank with clean diesel fuel.
4. Replace the fuel filter (see Section 2).
5. Pump the manual primer pump 12-20 strokes; then
start the engine and inspect for leakage.
6. Install the rear fenders and rack (see Section 8);
then install the seat making sure it latches securely.
Fuel/Vent Hoses
Replace the fuel hoses every two years. Damage from
aging may not always be visible. Do not bend or
obstruct the routing of the vent hose or fuel return
hose.
Oil Filter/Oil Pump
NOTE: Whenever internal engine components
wear excessively or break and whenever oil is con-
taminated, the oil pump should be replaced. The
oil pump is not a serviceable component.
Testing Oil Pump
Pressure
NOTE: The engine must be warmed up to the
specified temperature for this test (see Section 3).
1. Connect the Tachometer to the engine.
2. Disconnect the oil pressure switch connector; then
connect the Oil Pressure Test Kit to the oil pres-
sure switch port.
F
DE077B
NOTE: Some oil seepage may occur when install-
ing the oil pressure gauge. Wipe up oil residue
with a cloth.
3. Start the engine and run at the recommended
RPM. The oil pressure gauge must read as speci-
fied (see Section 3).
NOTE: If oil pressure is lower than specified,
check for an oil leak, damaged oil seal, defective
oil pump, or oil cooler.
NOTE: If oil pressure is higher than specified,
check for too heavy engine oil weight (see Section
1), clogged oil passage, clogged oil filter, or
improper installation of the oil filter.
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