Jacobsen AR-3 - Repair; Fan Belt; Air Cleaner Assembly

3-8 4181384 First Edition
ENGINE
3
Repair
Fan Belt
Removal and Installation
See Figures 3-5 and 3-6.
1. Park the mower safely. (See “Park Mower Safely” on
page 1-7.)
2. Disconnect the battery negative (–) cables at the
battery.
3. Raise the hood.
Figure 3-5
NOTE
Naturally aspirated engine shown; turbocharged engine
is similar.
4. Loosen screw (1) and push the alternator (2) toward
the engine to loosen the belt (3).
Figure 3-6
5. Remove the fan belt (3) from the alternator (4),
coolant pump (5), and crankshaft (6) pulleys.
Installation Notes
• Install the fan drive belt by reversing the order of
removal.
• Adjust drive belt tension. (Refer to “Safety, Operation,
and Maintenance Manual.”)
Air Cleaner Assembly
Removal and Installation
See Figures 3-7 and 3-8.
NOTE
Turbocharged engine shown; naturally aspirated engine
is similar.
1. Park the mower safely. (See “Park Mower Safely” on
page 1-7.)
2. Raise the hood.
TN1002
1
2
3
TN1113
4
6
3
5