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Section 4 - REPAIR & ADJUSTMENTS
4.1.5. GROUND SPEED ADJUSTMENT
NOTE: It is recommended to remove the drive system
cover and check rubber drive tire engagement with
drive disc when adjusting ground speed.
1. Tilt machine forward to gain access to drive system
area. Secure machine in the tilted position to prevent
tipping over. Remove drive system cover plate. Refer
to Figure 4.7.
2. Loosen the top screw that connects the shift rod to
the shift hub. See Figure 4.8.
3. Move shift rod clockwise to obtain more ground
speed or counter clockwise for less ground speed.
Retighten top screw after adjustment. See Figure 4.8.
4.1.6. SKID SHOE ADJUSTMENT
NOTE: It is recommended to raise the auger
housing when clearing rough or graveled surfaces.
To raise auger the skid shoes should be lowered.
1. Tilt machine up and place a wooden block under
auger housing.
2. Loosen bolts on both skid shoes. Move shoes
down to raise auger housing or move skid shoes up
to lower auger housing. See Figure 4.10.
SCRAPEF
BLADE
BLOCK
COUNTERCLOCKWISE
SHIFT
HUB
CLOCKWISE
LOOSEN TOP SCREW
AND MOVESHIFTHUB
CLOCKWISE OR
COUNTERCLOCKWlSETO
ADJUST GROUND SPEED
FIGURE 4.8
4. Check drive system to insure the rubber drive
tire has full contact with drive disc. Shift through all
speeds and note the position of rubber drive tire on
the drive disc. See Figure 4.9.
REVERSE
1st 4th
I I
I I
TIRE IS ON EDGE
OF HOLE IN
REVERSE
!
i.
h
! TIRE IS ON
I EDGE IN 4th
POSITION
FIGURE 4.9
15
SHOE
UP FOR SMOOTH
PAVED SURFACES
_. DOWN FOR ROUGH
GRAVELED SURFACES
FIGURE 4.10
4.1.7. AUGER SHEAR BOLT REPLACEMENT
IMPORTANT: If engine is operating correctly and
auger/impeller drive belt is not damaged or severed,
but the auger/impeller does not rotate it is possibly
the auger shaft shear bolt.
1. Remove shear bolt and nut from auger. Discard
old shear bolt and nut. DO NOT reuse bolt or nut
under any circumstances. Always replace existing
hardware with genuine Snapper new replacement
shear bolts and nuts. DO NOT substitute these
shear bolts and nuts with hardware other than what
is specified as auger/impeller and engine damage
can result.
2. Install new shear bolts and nuts. Tighten to 5 to
10 ft. lb. of torque. See Figure 4.11.
SHEAR
AUGER
t
FIGURE 4.11