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17
Section 2: Tractor Hook-up & Unhook
12/15/15
SBD3596 & SBD35108 Snow Blowers 370-347M
Table of Contents
12. Pull back on driveline yoke collar and push driveline
yoke onto tractor PTO shaft. Release pull collar and
continue to push driveline yoke forward until pull
collar locks in place. Move driveline yoke back and
forth several times to make sure it is locked in place.
13. Attach safety chain (#1A) to Snow Blower frame or
upper 3-point hose loop. Re-latch safety chain to
inner driveline shield.
14. Attach safety chain (#1B) to the tractor frame.
Re-latch safety chain to the outer driveline shield.
15. Continue with “Check Driveline Maximum Length”
below.
Driveline Maximum Extended Length
Figure 2-8
Check Driveline Maximum Length
Refer to Figure 2-8:
The driveline maximum allowable length must, when fully
extended, have a minimum overlap of profile tubes by not
less than 1/2 the free length with both inner and outer
profile tubes being of equal length.
1. Apply multi-purpose grease to the inside of the outer
shaft and reassemble the driveline.
2. Assemble the two driveline profiles together with just
1/2 overlapping of the profile tubes as shown. Once
assembled, measure and record maximum allowable
length here. ________
3. Continue with “Check Driveline Interference” on
this page.
IMPORTANT: Safety chain(s) are supplied with the
driveline. One must be attached to the driveline inner
shield and Snow Blower frame. If a second chain is
included, it must be attached to the driveline outer
shield and tractor frame. This will keep driveline
shields from rotating.
24804
Outer Shielding has been removed for clarity.
Maximum PTO Driveline Movement During Operation
Figure 2-9
Check Driveline Interference
1. Make certain driveline yokes and safety chains are
properly attached. See steps 12 -14 on page 17.
2. Start tractor and raise Snow Blower just enough to
remove support blocks from under the unit.
3. Slowly engage tractor hydraulic 3-point control lever
to lower Snow Blower while checking for sufficient
drawbar clearance. Move drawbar ahead, aside, or
remove if required.
Refer to Figure 2-9:
4. With PTO disengaged, raise implement fully up. If
driveline exceeds any of the limits listed below, set
tractor 3-point lift limiter at a height that will keep
driveline within its lift limits.
• Driveline does not exceed 25
o
up.
• Driveline does not exceed maximum allowable
length recorded in step 2 under “Check Driveline
Maximum Length” on this page.
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IMPORTANT: A driveline, while operating, must not
exceed an angle of 25 degrees up or down to avoid
premature driveline breakdown.