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ENGINE
ENGINE CONTINUED

Operator Manual For Motorized Road Grader Model 120M
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0011
TM 5-3805-293-10
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
0.
ENGINE CONTINUED
2. ENGINE CANNOT REACH TOP ENGINE RPM.
Step 1.
Check for diagnostic codes (WP 0005).
a.
If diagnostic codes are present, notify Field Level Maintenance.
b.
If no diagnostic codes are present, go to Step 2.
Step 2.
Check air filters (WP 0014).
a.
Clean or replace air filters (WP 0014).
b.
If problem persists, go to Step 3.
Step 3.
Check fuel supply.
a.
Verify fuel is not solidified (temperatures below 32F (0C)).
b.
Add fuel (WP 0013).
c.
If problem persists, notify Field Level Maintenance.
3. ENGINE CRANKS BUT WILL NOT START.
Step 1.
Check for diagnostic codes (WP 0005).
a.
If diagnostic codes are present, notify Field Level Maintenance.
b.
If there are no diagnostic codes, go to Step 2.
Step 2.
Check air filters (WP 0014).
a.
Clean or replace air filters (WP 0014).
b.
If problem persists, go to Step 3.
Step 3.
Verify fuel level.
a.
Add fuel as necessary (WP 0013).
b.
If problem persists, go to Step 4.
Step 4.
Check circuit breakers.
a.
Reset circuit breakers (WP 0018).
b.
If problem persists, notify Field Level Maintenance.
0011-7


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