Figure 35
1. Right by-pass valve 2. Left by-pass valve
4. Diseng ag e the parking brak e before pushing .
Changing to Machine Operation
R otate eac h b y-pass v alv e cloc kwise 1 tur n and
hand tighten them (tor que of appro ximately 71
in-lb (8 N ⋅ m)) ( Figure 35 ).
Note: Do not o v er tighten the b y-pass v alv es .
T he mac hine will not dri v e unless b y-pass v alv es
are tur ned in.
Loading Machines
Use extreme caution when loading units on trailers
or tr uc ks . One full width ramp that is wide enough
to extend bey ond the rear tires is recommended
instead of indi vidual ramps for eac h side of the
unit ( Figure 36 ). T he lo w er rear section of the
tractor frame extends bac k betw een the rear
wheels and ser v es as a stop for tipping bac kw ard.
Ha ving a full width ramp pro vides a surface for the
frame members to contact if the unit star ts to tip
bac kw ard. If it is not possible to use one full width
ramp , use enough indi vidual ramps to sim ulate a
full width contin uous ramp .
T he ramp should be long enough so that the
angles do not ex ceed 15 deg rees ( Figure 36 ). A
stee per angle ma y cause mo w er components to g et
caught as the unit mo v es from ramp to trailer or
tr uc k. Stee per angles ma y also cause the unit to tip
bac kw ard. If loading on or near a slope , position
the trailer or tr uc k so it is on the do wn side of the
slope and the ramp extends up the slope . T his
will minimize the ramp angle . T he trailer or tr uc k
should be as lev el as possible .
Important: Do not attempt to tur n the unit
while on the ramp; y ou may lose contr ol and
dri v e of f the side.
A v oid sudden acceleration when dri ving up a ramp
and sudden deceleration when bac king do wn a
ramp . Both maneuv ers can cause the unit to tip
bac kw ard.
Loading a unit onto a trailer or tr uck
incr eases the possibility of backw ard
tip-o v er and could cause serious injur y or
death.
• Use extr eme caution when operating a
unit on a ramp .
• Use onl y a sing le, full width ramp; Do
not use indi vidual ramps f or each side of
the unit.
• If indi vidual ramps must be used, use
enough ramps to cr eate an unbr ok en
ramp surf ace wider than the unit.
• Do not ex ceed a 15 deg r ee ang le betw een
ramp and g r ound or betw een ramp and
trailer or tr uck.
• A v oid sudden acceleration while dri ving
unit up a ramp to a v oid tipping backw ard.
• A v oid sudden deceleration while backing
unit do wn a ramp to a v oid tipping
backw ard.
38
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