Greensmaster 3300/3400 Hydraulic SystemPage 5 -- 59
Hydraulic System Start--up
NOTE: Wheninitiallystartingthehydraulicsystemwith
neworrebuiltcomponentssuchasmotors,pumpsorlift
cylinders, it is important that this start--up procedure be
used. This procedure reduces the chance of damaging
the system or its components from not purging the sys-
tem of air.
1. After the hydraulic system components have been
properly installed and if the piston pump was rebuilt or
replaced,makesurepistonpumphousingisatleasthalf
full of clean hydraulic oil.
2. Makesureallhydraulicconnectionsandlinesarese-
cured tightly.
3. Make sure hydraulic reservoir is full. Add correct oil
ifnecessary.Drain,flushandrefillhydraulicsystemres-
ervoir and change oil filter if component failure was se-
vere or system is contaminated.
4. Afterrepairs,checkcontrollinkageforproperadjust-
ment, binding or broken parts.
5. Makesurethefunctionalcontrolleverisintheneutral
(N) position.
6. Disconnect appropriate electrical component(s) to
prevent the engine from starting:
A. On machines with gasoline engine, disconnect
both spark plug wires from spark plugs.
B. On machineswithdieselengine,disconnectwire
harness electrical connector from the engine fuel
stop solenoid.
7. Turn ignition key switch and engage starter for ten
(10) seconds to prime pumps. Return ignition switch to
off and wait one (1) minute to allow starter to cool. Re-
peat step a second time.
8. Reconnectengineelectricalcomponent(s)thatwere
disabled in step 6 above.
9. With the functional control lever in the neutral (N)
position, start engine and run at low idle speed. The
chargepumpshouldpickupoilandfillthehydraulicsys-
tem. If there is no indication of fill in thirty (30) seconds,
stop the engine and determine the cause.
CAUTION
Be careful when operating the cutting unit reels.
Contact with the reel or other moving parts can
result in personal injury.
10.After thehydraulic systemstartstoshowsigns offill,
accomplish the following:
A. Ifareelmotorwasreplacedorrebuilt,runthecut-
ting units at the minimum speed setting (under no
load) for ten (10) minutes in both directions.
B. If the gear pump was replaced or rebuilt, run the
cuttingunitsattheminimumspeedsetting(underno
load) for ten (10) minutes.
C. Ifthepistonpumpor awheel motorwasreplaced
or rebuilt, run the traction unit so the wheels slowly
turn for ten (10) minutes.
11.Operate the traction unit and cutting units by gradu-
allyincreasing theirworkload tofullover aten(10) min-
ute period.
12.Stop the machine. Check reservoir and fill if neces-
sary.Checkhydrauliccomponentsforleaks andtighten
any loose connections.
Hydraulic
System
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