Important: Use oil specified or
equi v alent. Other fluids could cause
system dama ge.
12. Star t engine and let r un for about tw o min utes
to purg e air from the system. Stop the engine
and c hec k for leaks . If one or both wheels will
not dri v e , refer to Bleeding Hy draulic System.
13. R ec hec k lev el and add fluid, if required. Do
not o v erfill.
Bleeding the Hydraulic System
T he traction system is self bleeding, ho w ev er , it
ma y be necessar y to bleed the system if fluid is
c hang ed or after w ork is perfor med on the system.
1. Diseng ag e the PTO and set the parking brak e .
2. Stop the engine and w ait for all mo ving par ts
to stop before lea ving the operating position.
3. Raise the rear of the mac hine up onto jac k
stands high enough to raise the dri v e wheels
off the g round.
4. Star t the engine and mo v e the throttle control
to idle position. Mo v e the speed control lev er
to the middle speed position and place one
dri v e lev er into the dri v e position.
If the dri v e wheel does not rotate , it is possible
to assist the purging of the system b y carefully
rotating the tire in the forw ard direction.
5. Chec k the h y draulic fluid lev el as it drops add
fluid as required to maintain the proper lev el.
6. R e peat this procedure for the opposite wheel.
7. T horoughly clean the area around eac h of the
c harg e pump housings .
Checking the Hydraulic Lines
After ev er y 100 operating hours , c hec k h y draulic
lines and hoses for leaks , loose fittings , kink ed
lines , loose mounting suppor ts , w ear , w eather and
c hemical deterioration. Mak e necessar y re pairs
before operating .
Note: K ee p areas around h y draulic system clean
from g rass and debris build up .
Hy draulic fluid escaping under pr essur e can
penetrate skin and cause injur y .
• If h y draulic fluid is injected into the skin
it must be surgicall y r emo v ed within a
few hour s by a doctor f amiliar with this
type of injur y . Gang r ene may r esult if
this is not done.
• K eep body and hands a w ay fr om pin hole
leaks or nozzles that eject high pr essur e
h y draulic fluid.
• Use cardboard or paper to find h y draulic
leaks.
• Safel y r eliev e all pr essur e in the h y draulic
system bef or e perf or ming an y w or k on
the h y draulic system.
• Mak e sur e all h y draulic fluid hoses
and lines ar e in good condition and
all h y draulic connections and fittings
ar e tight bef or e appl ying pr essur e to
h y draulic system.
Mower Deck
Maintenance
Servicing the Cutting Blades
T o ensure a superior quality of cut, k ee p the
blades shar p . F or con v enient shar pening and
re placement, y ou ma y w ant to k ee p extra blades
on hand.
A w or n or dama ged blade can br eak, and a
piece of the blade could be thr o wn into the
operator’ s or bystander’ s ar ea, r esulting in
serious per sonal injur y or death.
• Inspect the blades periodicall y f or w ear
or dama ge.
• R eplace a w or n or dama ged blade.
49
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