User manual

Groundsmaster 4000--D/4010--D Page 7 -- 5 Chassis
CAUTION
When changing attachments, tires or perform-
ing other service, use correct jacks and sup-
ports. Make sure machine is parked on a solid,
level surface such as a concrete floor. Prior to
raising machine, remove any attachments that
may interferewith the safe and proper raising of
themachine.Alwayschockorblockwheels.Use
jackstands to supportthe raised machine.If the
machine is not properly supported by jack
stands, the machine may move or fall, which
may result in personal injury.
3. Chock rear wheels and jack up front of machine.
Support machine on jack stands.
4. Remove front wheel next to lift arm that is to be re-
moved.
5. Remove cap screw, washers and lock nut that se-
cureliftcylinderpintoliftarm.Removepinandseparate
lift cylinder and lift arm.
6. Removelocknutthatsecuresliftarmpin.Supportlift
arm and slide pin from frame and lift arm. Remove lift
armfromframe.
7. Remove height--of--cut chain, ball joint mount and
ball joint from removed lift arm as required.
Installation (Fig. 2)
1. Position lift arm to frame and insert lift arm pin. En-
gage roll pin into frame slots and install lock nut on pin.
Torque lock nut from 60 to 70 ft--lb (81 to 94 N--m).
2. Align lift cylinder with lift arm. Slide pin through lift
armandcylinder end.Securepinwithcapscrew,wash-
ers and lock nut.
3. Install front wheel assembly and lower machine to
the ground. Make sure that wheel lug nuts are torqued
from 85 to 100 ft--lb (115 to 135 N--m).
4. Ifsensing plate (item 32) was removed from lift arm,
secure plate fully forward in lift arm slot.
5. If height--of--cut chain u--bolt was removed from lift
arm, assemble u--bolt so that threaded portion extends
0.870” (22.1 mm) above mounting plate on lift arm (Fig.
3).
6. If removed, install ball joint to lift arm. Distance from
endofliftarmtocenterofballjointshouldbefrom2.210”
to 2.390” (56.1 to 60.7 mm) (Fig. 4). Make sure that ball
joint is horizontal and that stud is centered in ball joint.
Install deck before torquing ball joint jam nut (item 24).
7. Installballjointmounttoballjointwithslottedhexnut.
Torque nut from90 to 100 ft--lb (123 to 135 N--m) while
aligning cotter pin holes. Install cotter pin.
8. Install front cutting deck (see Front Cutting Deck
Installation in Chapter 8 -- Cutting Decks).
9. Ifballjointwasremovedfromliftarm,torqueballjoint
jam nut from 150 to 175 ft--lb (203 to 237 N--m).
10.Lubricate lift arm grease fittings.
11.Afterassemblyiscompleted,raiseandlowerthecut-
tingdecktoverifythathydraulichosesandfittingsdonot
contact anything.
12.Check height--of--cut and deck pitch adjustment.
1. U--bolt 2. Height--of--cut chain
Figure 3
1
2
0.870”
(22.1 mm)
1. Lift arm 2. Ball joint
Figure 4
1
2
2.210” to 2.390”
(56.1 to 60.7 mm)
Chassis