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Drive System
Maintenance
Servicing the Reduction
Case
Changing the Reduction Case Oil
Service Interval: Every 1,000 hours
Oil type: non-detergent motor oil with a viscosity of
SAE 50 or less
Capacity: 0.24 L (8.0 fl oz)
1.
Remove the engine; refer to
Engine (page
32).
2.
Remove the drain plug and the vented-filler bolt
on the reduction case.
Figure 42
1. Reduction case
2. Fill hole
3. Vented-filler bolt
3.
Tip the engine so that the oil drains completely,
to avoid mixing different types of oil.
Important:
To avoid damaging parts of the
engine or the reduction case, be careful
when tipping the engine.
4.
Install the drain plug into the drain hole.
5.
Ensure that the engine is level, and pour 0.24 L
(8.0 oz) of oil into the fill hole.
6.
Install the vented-filler bolt into the fill hole.
7.
Install the engine; refer to
(page
32).
Removing the
g021305
4. Drain plug
5. Drain hole
Installing the Engine
Servicing the Drive Chain
Service Interval: Every 20 hours—Inspect the drive
chain for rust and debris.
Every 20 hours—Inspect the drive chain tension
and adjust it as necessary.
Checking the Drive Chain
1.
Stop the engine and lock the
engine-speed-control handle to the Stop
position; refer to
24), and move the fuel-shutoff lever to the O
position.
2.
Using a flashlight, carefully inspect the chain. If
rust and debris are present, remove them with
a brush.
Checking the Drive Chain Tension
1.
Lay a straightedge along the drive chain from
one sprocket to the other.
2.
Push on the chain with 6.8 kg (15 lb) of pressure,
midway between the sprockets.
3.
Measure the distance from the chain to
the straightedge. The distance should be
approximately 2.5 cm (1 inch).
4.
If the chain tension needs adjustment, refer to
Adjusting the Drive Chain Tension (page
Adjusting the Drive Chain Tension
1.
Stop the engine and wait for all moving parts to
stop.
2.
Loosen the 4 nuts and bolts that secure the
engine to the engine-mounting plate
34
Shutting Off the Engine (page
(Figure
FF
34).
43).
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