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Groundsmaster 5900/5910 Cutting DecksPage 8 -- 7
Removal (Fig. 1)
1. Position machine on a clean, level surface. Lower
cutting decks, stop engine, apply parking brake and re-
move key from the ignition switch.
2. Remove center deck cover to access hydraulic deck
motor.
3. Remove hydraulic motor from cutting deck (see Cut-
ting Deck Motor Removal in the Service and Repairs
Section of Chapter 4 -- Hydraulic Systems). Position and
support motor away from cutting deck.
4. Start engine and raise deck s lightly. Stop engine and
remove key from the ignition switch.
5. Remove hairpins (item 11) and clevis pins (item 12)
that secure the height--of--cut chains to the rear of the
cutting deck.
6. Remove spring pin and spacer that secure damper
to damper mount on deck (Figs. 2 and 3). Position
damper away from cutting deck.
7. Start engine and lower deck to ground. Stop engine
and remove key from the ignition switch.
8. Remove cap screws (item 4), flat w ashers (item 3),
plate (item 15) and lock nuts (item 14) thatsecure lift arm
support hubs to cutting deck. Remove thrust washer
(item 9) from between the lift arm and the rear, slotted
hole in the support hub.
9. Slide the cutting deck away from the traction unit.
Installation (Fig. 1)
1. Position machine on a clean, level surface. Lower
front lift arms, stop engine, engage parking brake and
remove key from the ignition switch.
2. Position the cutting deck to the lift arms.
3. Align lift arm support hub to cutting deck. Make sure
that slotted hole in the support hub is toward the rear of
the deck.
4. Place thrust washer (item 9) between the lift armand
the rear, slotted hole in the support hub.
5. Secure lift arm support hub to deck with cap screws
(item 4), flat washers (item 3), plate (item 15) and lock
nuts (item 14). Torque fasteners from 94 to 116 ft--lb
(128 to 157 N--m).
6. Start engine and raise deck s lightly. Stop engine and
remove key from the ignition switch.
7. Install clevis pins and hairpins that secure the
height--of--cut chains to the rear of the cutting deck.
8. Position damper to mount on cutting deck. Install
spacer and spring pin to secure damper to deck (Figs.
2 and 3).
9. Start engine and lower deck to ground. Stop engine
and remove key from the ignition switch.
10.Install hydraulic motor to cutting deck (see Cutting
Deck Motor Installation in the Service and Repairs Sec-
tion of Chapter 4 -- Hydraulic Systems).
11.Install all removed cutting deck covers.
12.Lubricate grease fittings on cutting deck and lift arm
assemblies (see Operator’s Manual).
1. Carriage screw (2 used)
2. Damper mount
3. Spring pin
4. Spacer
5. Clevis rod end
6. Cap screw
7. Bearing rod end
8. Flange nut (3 used)
9. Damper
Figure 2
4
5
2
1
3
6
7
8
8
9
1. Damper
2. Clevis rod end
3. Bearing rod end
Figure 3
2
1
3
Cutting Decks