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7. Inspect the primary filter for damage by looking into
the filter while shining a bright light on the outside of
the filter. Holes in the filter will appear as bright spots.
If the filter is damaged discard it.
5
2
Figure 40
1. Latches
2. Air cleaner cover
3. Air filter body
Servicing the Primary Filter
Blow compressed air from the inside to the outside of the
primary filter.
Important
Do not exceed 100 psi and keep the hose at
least 2 inches from the filter. Replace air filters if they are
damaged or cannot be cleaned.
Servicing the Safety Filter
Do not clean the safety filter. Replace it after
600 operating hours.
Important
Never attempt to clean the safety filter. If
the safety filter is dirty, then the primary filter is damaged
and you should replace both filters.
Installing the Filters
Important
To prevent engine damage, always operate
the engine with both air filters and cover installed.
1. If installing new filters, check each filter for shipping
damage. Do not use a damaged filter.
2. If the safety filter is being replaced, carefully slide it
into the filter body (Fig. 40).
3. Carefully slide the primary filter over the safety filter
(Fig. 40). Ensure that it is fully seated by pushing on
the outer rim of the filter while installing it.
3
4
1
1
m–4815
4. Primary filter
5. Safety filter
Important
Do not press on the soft inside area of the
filter.
4. Install the air cleaner cover with the side indicated as
UP facing up and secure the latches (Fig. 40).
Servicing the Engine Oil
Change oil:
After every 100 operating hours.
Note: Change oil more frequently when operating
conditions are extremely dusty or sandy.
Oil Type: Detergent oil (API service SH, SJ, SL or higher)
Crankcase Capacity: w/filter, 67 oz. (2.0 l)
Viscosity: See table below
USE THESE SAE VISCOSITY OILS
5W–20, 5W–30
–20
0
20
_ F
–30
–20
–10
_ C
Checking the Oil Level
Note: Check the oil when the engine is cold.
1. Disengage the PTO, move the motion control levers to
the neutral locked position and set the parking brake.
2. Stop the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
3. Clean around the oil dipstick (Fig. 41) so dirt cannot
fall into the filler hole and damage the engine.
4. Pull the oil dipstick and wipe the metal end clean
(Fig. 41).
5. Slide the oil dipstick fully into the filler tube. Pull the
dipstick out and look at the metal end (Fig. 41). If oil
level is low, slowly pour only enough oil into the filler
tube to raise the level to the full mark.
34
10W–30
32
40
60
80
100
0
10
20
30
40
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