ENGINE
4203780 First Edition 3-7
3
7. Turn the ignition switch to the on position to allow the
fuel pump to operate.
8. Close the air vent plug when bubbles disappear from
the fuel flow and turn the ignition switch to the off
position.
!
WARNING
9. Loosen the high pressure fuel injector line nuts at the
four fuel injectors (1), one at a time while, cranking
the engine.
10. When the bubbles disappear, tighten the fuel injector
line nut and repeat the process for the remaining
injectors.
11. When all the fuel injector lines have been purged and
the engine is running, listen to the engine. If the
engine is misfiring, repeat steps 9 and 10 for all the
fuel injector lines.
Repair
Fan Belt
Removal and Installation
See Figures 3-8 and 3-9.
NOTE
Inspect and adjust the new engine belt after the first 50
hours of operation. Check and adjust annually thereafter.
1. Park the mower safely. (See “Park Mower Safely” on
page 1-6.)
2. Raise the hood.
3. Disconnect the battery negative (–) cable at the
battery.
Figure 3-8
4. Loosen screws (2 and 4) and push the alternator (3)
toward the engine to loosen the belt (1).
The engine may start during this process. Be
careful of injury due to moving components. If
the engine starts, continue purging the remaining
fuel injector lines.
2
3
1
4
TN2013
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