JLG 4394RT Service Manual User Manual
Page 111
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SECTION 3 - CHASSIS & SCISSOR ARMS
3121133
– JLG Sizzor –
3-75
25
The fuel supply system is operating normally, if a failure of the control solenoids is
suspected. Refer to Fuel Control System Diagnosis.
1. Install the test plug in the LPR secondary chamber.
2. If you were sent to this routine by another diagnostic chart, return to the previ-
ous diagnostic procedure.
Is the action complete?
- -
System OK
- -
26
1. Disconnect all test equipment
2. Install the primary and secondary test port plugs.
3. Start the engine.
4. Using SNOOP or equivalent, leak check the test port plugs.
Is the action complete?
- -
System OK
- -
Table 3-9. LPF Fuel System Diagnosis
STEP
ACTION
VALUE(S)
YES
NO
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