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Groundsmaster 5900/5910Page 5 -- 38Electrical System
Cutting Deck Lift Switches
The cutting deck lift switches are used as inputs for the
TEC--5001 controller to raise or lower the cutting decks.
When the front of a lift switch is depressed and held, the
controlled deck (left, front or right) will lower. When the
rear of a lift switch is depressed and held, the controlled
deck will raise.The deck willremain in positionwhen the
switch is released. The lift switches are located on the
console arm (Fig. 67).
Testing
1. Before disconnecting a cutting deck lift switch for
testing, the switch and its circuit wiring should be tested
as a TEC controller inputwith the Info Center Diagnostic
Display (see Info Center Display in this section).
2. If the Diagnostic Display verifies that the lift switch
and circuit wiring are functioning correctly, no further
switch testing is necessary.
3. If the Diagnostic Display determines that the lift
switch and circuit wiring are not functioning correctly,
test lift switch.
4. Make sure ignition switch is OFF. Remove key from
ignition switch.
5. Disassemble console arm to gain access to cutting
deck lift switches (see Console Arm Disassembly in the
Service and Repairs section of Chapter 7 -- Chassis).
6. The switch terminals are marked as shown in Figure
68. The circuit logic of the lift switches is shown in the
chart to the right. With theuseofa multimeter (ohms set-
ting), the switch functions may be tested to determine
whether continuity exists between the various terminals
foreachposition.Verifycontinuity betweenswitchtermi-
nals. Replace switch if testing identifies a faulty switch.
7. Connect the harness connector to the switch after
testing.
8. If switch tests correctly and circuit problem still ex-
ists, check wire harness (see Electrical Schematics and
Wire Harness Drawings in Chapter 10 -- Foldout Draw-
ings).
9. Assemble console arm cover (see Console Arm As-
sembly in the Service and Repairs section of Chapter 7
-- Chassis).
1. Console arm
2. LH lift switch
3. Front lift switch
4. RH lift switch
Figure 67
1
2
3
4
Figure 68
12
4
3
56
BACK OF SWITCH
SWITCH
POSITION
CLOSED
CIRCUITS
OPEN
CIRCUITS
DECK RAISE 2+3
5+6
2+1
5+4
NEUTRAL NONE ALL
DECK LOWER 2+1
5+4
2+3
5+6