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10. Remove the assist arm link from the assist arm and
rotate the link to adjust the length.
11. Install the assist arm link into the assist arm and
secure it with the hairpin cotter pin (Figure 52).
12. Check if the assist arm hits against the stops
correctly.
Adjusting the PTO Safety Switch
1. Disengage the blade control (PTO) lever and set the
parking brakes.
2. Stop the engine and wait for all moving parts to stop
before leaving the operating position.
3. Disengage the blade control lever (PTO). Make sure
the assist arm is against the front assist stop arm.
4. If needed, adjust the blade safety switch by loosening
the bolts holding the switch bracket (Figure 53).
5. Move the mounting bracket until the bellcrank
depresses the plunger by a 1/4 inch (6 mm).
6.
Note: Make sure the bellcrank does not touch the
switch body or damage to the switch could occur
(Figure 53).
Tighten the switch mounting bracket.
Figure 53
1. Bellcrank
2. Bolts and nuts
3. Switch mounting bracket
4. Switch body
Hydraulic System
Maintenance
Servicing the Hydraulic
System
Checking the Hydraulic Fluid
Check the hydraulic fluid level as follows:
• Check the hydraulic fluid level before engine is first
started.
• Check the hydraulic fluid level after first 8 operating
hours.
• Check the hydraulic fluid level after every 25
operating hours.
Fluid Type: Mobil 1 15W-50 synthetic motor oil or
equivalent synthetic oil.
Important: Use oil specified or equivalent. Other
fluids could cause system damage.
Hydraulic System Oil Capacity: 77 oz. (2.3 l)
Note: There are two ways of checking the hydraulic oil.
One is when the oil is warm and one is when the oil is
cold. The baffle inside the tank has two levels depending
if the oil is warm or cold.
1. Position machine on a level surface.
2. Disengage the power take off (PTO) and shut off
the engine.
3. Wait for all moving parts to stop before leaving the
operating position and then set the parking brake.
4. Clean area around cap and filler neck of hydraulic
tank (Figure 54).
1. Cap
2. Baffle
5. Remove cap from filler neck. Look inside to check if
there is fluid in the reservoir. (Figure 54).
42
Figure 54
3. Cold fluid level-full
4. Hot fluid level-full
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