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Section 4: Adjustments
SB1051, SB1064, SB1574, & SB2584 with S/N 881640- Snow Blowers 370-027M
10/08/14
Table of Contents
Outer Wear Bar Assembly
Figure 4-7
Outer Wear Bars
Refer to Figure 4-7:
1. Place support blocks under Snow Blower support
rests to hold unit off theground high enough to adjust
wear bars (#1) up or down.
2. Lower Snow Blower onto the support blocks, place
tractor gearshift in park, shut tractor engine off, and
remove switch key. Make certain PTO is not running
before dismounting from tractor.
3. Remove carriage bolts (#2).
4. Move wear bars (#1) up or down to the preferred
height and reinsert carriage bolts (#2).
5. Secure wear bars (#1) with existing hex flange lock
nuts (#3). Tighten lock nuts to the correct torque.
33242
NOTE: When wear bars (#1) are worn excessively,
they can be turned upside down and reused to
extend wear life.
Roller Chain Take-up Adjustment
Figure 4-8
Roller Chain Take-up
Refer to Figure 4-8:
1. Remove cap screws (#2) and idler guard (#1). Keep
guard and guard hardware for reattachment.
2. Loosen 5/8" cap screw (#3) and push down on idler
sprocket (#7) until vertical movement in the middle of
bottom chain has 3/8" to 1/2" slack.
3. Hold sprocket in this position and tighten 5/8"-11 cap
screw (#3) to the correct torque.
4. Attach idler guard (#1) with 5/16"-18 x 1" GR5 hex
head cap screws (#2), 2-flat washers (#6), spring
lock washers (#5), and hex nuts (#4). Tighten hex
nuts to the correct torque.
33288
IMPORTANT: Tighten roller chain until bottom chain
has 3/8" to 1/2" slack. Do not tension roller chain
tight. A tensioned tight roller chain will accelerate
chain wear and sprocket wear.