Section 5: Maintenance & Lubrication
1/25/21
STB0554 & STB0560 Snow Trip Blade 301-701M
24
Poly Cutting Edge Removal and Assembly
Refer to Figure 5-2:
1. Remove all but the two outside carriage bolts (#2)
and nuts (#3) from moldboard (#5).
2. Loosen the two outside nuts (#3). Do not remove
nuts at this time.
3. Hold one end of blade (#4) and retaining plate (#1)
up and remove carriage bolt (#2) and nut (#3) from
that end. Lower that end down to the ground.
4. Hold opposite end of blade (#4) and retaining
plate (#1) up and remove carriage bolt (#2) from that
end. Lower blade (#4) and retaining plate (#1) to the
ground.
5. Inspect carriage bolts (#2) and nuts (#3) for wear.
Replace as needed.
6. Inspect blade (#4). Rotate or replace blade (#4) if
excessively worn.
7. With blade (#4) down, raise one end up and attach to
moldboard (#5) with carriage bolt (#2), retaining
plate (#1), and nut (#3). Draw nut (#3) up snug but do
not tighten.
8. Raise the other side of blade (#4) and retaining
plate (#1) up and attach to moldboard (#5) with
carriage bolt (#2), retaining plate (#1), and nut (#3).
Draw nut (#3) up snug but do not tighten.
NOTE:
Cutting edge is removable and reversible.
9. Install remaining 5/8"-11 x 1 1/2" GR5 carriage
bolts (#2) and nuts (#3). Tighten all nuts to the correct
torque.
10. Return to the tractor. Raise unit up and remove
support blocks.
Poly Cutting Edge Removal and Assembly
Figure 5-2
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5
3
1
2
4
