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TM 10-3930-669-34
2-10. TROUBLESHOOTING PROCEDURES.
Pages 2-16 through 2-93 contain troubleshooting instructions necessary to identify the faulty component causing the
symptom listed in Tables 2-3 and 2-4. Corrective action for repairing or replacing the faulty component is listed in the
troubleshooting procedure. Unit Maintenance troubleshooting procedures (TM 103930-669-20) should be completed
before performing Direct/General Support Maintenance troubleshooting procedures.
2-11. ENGINE SYSTEM TROUBLESHOOTING.
This paragraph covers Engine System Troubleshooting. The Engine System Fault Index, Table 2-4, lists faults for the
engine system of the forklift.
Table 2-3. Engine System Fault Index
Fault
No.
Troubleshooting Procedure
Page
1.
Engine Cranks But Will Not Run........................................................................................................2-10
2.
Low Engine Oil Pressure (Oil Pressure Gauge Continuously Reads Less
Than 30 to 60 psi [207 - 414 kPa] at 625 to 750 rpm) .......................................................................2-24
3.
Excessive Engine Oil Consumption and/or Blue Smoke ...................................................................2-32
4.
Excessive Black or Gray Smoke........................................................................................................2-38
5.
Engine Overheats (Engine Temp Gauge Reads Over 250°F [121°C]) .............................................2-48
6.
Engine Runs Rough or Misfires .........................................................................................................2-52
7.
Engine Does Not Develop Full Power................................................................................................2-62
2-9
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