Maintenance
Determine the left and right sides of the machine from
the normal operating position.
Draining the Hydraulic
Fluid
Before each use or daily
Yearly
If the oil becomes contaminated, contact your
authorized BOSS dealer to have the system flushed.
1.
Park the vehicle on a level surface, lower the
plow, and fully collapse the hydraulic lift-cylinder.
Turn off the vehicle and remove the keys.
2.
Remove the hairpin cotter and clevis pin from
the top of the lift cylinder and lean it forward
(
).
g320662
Figure 30
1.
Clevis pin
3.
Thumb screws
2.
Hairpin cotter
4.
Coupler-tower cover
3.
Remove the 2 thumb screws securing the
coupler-tower cover to the coupler tower (
4.
Remove the coupler-tower cover, pulling it
toward the passenger side of the plow.
Note:
You may need to tug the cover back and
forth several times to get it free.
5.
Clean the area around the drain plug (
).
g322755
Figure 31
1.
Drain plug
6.
Place a drain pan under the plug and remove
the plug.
7.
Clean the drain plug.
8.
Allow the fluid to fully drain, then replace the
plug. Torque the plug to 17 to 28 N∙m (150 to
250 in-lb).
9.
Attach the previously removed coupler-tower
cover.
10.
Attach the previously removed lift cylinder.
Checking the Hydraulic
Lines and Hoses
Service Interval:
Before each use or daily
WARNING
Hydraulic fluid escaping under pressure can
penetrate the skin and cause injury.
•
Ensure that all hydraulic fluid hoses
and lines are in good condition and all
hydraulic connections and fittings are tight
before applying pressure to the hydraulic
system.
•
Keep your body and hands away from
pin-hole leaks or nozzles that eject
high-pressure hydraulic fluid.
•
Use cardboard or paper to find hydraulic
leaks.
•
Safely relieve all pressure in the hydraulic
system before performing any work on the
hydraulic system.
•
Get immediate medical help if fluid is
injected into skin.
Check the hydraulic lines and hoses daily for
leaks, kinked lines, loose mounting supports, wear,
19