16
Section 3: Maintenance
SPL0548 & SPL0560 Snow Pusher 303-454M
Table of Contents
9/07/16
Poly Blade (Optional)
Refer to Figure 3-3:
The optional poly blade (#4) can be reversed to extend its
life. Reverse poly blade before its cutting edge is worn
even with bottom of moldboard (#5). Replace poly blade
before both cutting edges have worn even with bottom of
moldboard (#5).
!
WARNING
Reverse or replace poly blade with Snow Pusher attached to a
tractor loader. An unhooked Snow Pusher can tip over
backwards causing serious injury or death.
!
WARNING
Always secure attachment with solid supports before working
under it. Never work under attachment supported by
hydraulics. Hydraulics can drop attachment if controls are
actuated or if hydraulic lines burst. Either situation can drop
attachment instantly even when power to hydraulics is off.
Preparation
1.
Park tractor and Snow Pusher on level ground. Lower
Snow Pusher until skid shoes (#6) are resting on
support blocks (#7) as shown. (Support blocks
should not be located under poly blade (#4).)
2.
Shut tractor down properly before dismounting to
reverse or replace blade. Refer to
“Tractor
Shutdown Procedures”
on page 6.
Reverse Poly Blade
The poly blade (#4) can be reversed (rotated upside
down) and reused to extend its life.
1.
Complete
“Preparation”
on this page before
completing steps below.
2.
Remove hex whiz nuts (#3), carriage bolts (#2),
blade support bars (#1), and poly blade (#4).
3.
Rotate poly blade upside down and reattach it with
existing blade support bar (#1) and existing
hardware (#2 & #3). Do not tighten nuts at this time.
4.
Center poly blade between side panels and tighten
hex whiz nuts (#3) to the correct torque.
5.
Back drag unit 50 yards on dry concrete to level
trailing edge of snow blade with bottom of skid shoe.
Poly Blade Rotating & Replacement
Figure 3-3
Replace Poly Blade
Replace poly blade when both edges are worn close to
bottom of moldboard (#5).
1.
Complete
“Preparation”
on this page before
completing steps below.
2.
Remove hex whiz nuts (#3), carriage bolts (#2),
blade support bars (#1), and poly blade (#4).
3.
Reattach new poly blade (#4) with existing blade
support bar (#1) and existing hardware (#2 & #3). Do
not tighten nuts at this time.
4.
Center poly blade between side panels and tighten
hex whiz nuts (#3) to the correct torque.
5.
Back drag unit 50 yards on dry concrete to level
trailing edge of snow blade with bottom of skid shoe.
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