(0.2740-0.2752 In.) Unit Injectors - Arctic Cat 700 Diesel ATV 2007 Service Manual

17. Install the air diverter and connect the air boots.
Tighten the clamps securely.
18. Install the front body; then install the front rack
(see Section 8).
UNIT INJECTORS
Removing
1. Remove the front rack and front body panel (see
Section 8).
2. Remove the air diverter assembly leaving the air
intake boots on the ATV; then remove the air filter
assembly and mounting bracket.
3. Use duct tape or another suitable material to cover
the engine air intake boot to prevent dirt or other
debris from entering the engine.
4. Disconnect the oil pressure switch connector from
the switch located on the right side of the valve
cover.
5. Disconnect the crankcase breather hose from the
right front corner of the valve cover.
6. Remove the fuel hoses from the fuel rail; then plug
or close off the hoses to prevent fuel leakage.
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7. Remove eight standard torx-head cap screws from
the valve cover; then using Torx-Head Screw-
driver - #30 (p/n 0644-344), remove the two
"tamper-proof" torx-head cap screws.
8. Remove four Allen-head machine screws securing
the fuel rail to the unit injectors; then remove the
fuel rail. Account for four O-rings.
! CAUTION
Do not allow dirt and contaminates to enter the die-
sel fuel system components. Dirt or moisture will
cause severe engine/fuel system component dam-
age.
9. Carefully remove the spring from the injection
control rack; then remove the Allen-head pivot
screws securing the injection control rack to the
injection pump fuel controls.
! CAUTION
DO NOT loosen fuel delivery adjustment screws or
extensive adjustment will be necessary.
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