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 willraise.Thedeck willremain inposition when the
switch is released. The lift switches are located on the
console arm (Fig. 67).
1
3
Testing
1.
Before disconnecting a cutting deck lift switch for
4
2
testing, the switch and its circuit wiring should be tested
as aTECcontroller inputwith theInfo Center Diagnostic
Display (see Info Center Display in this section).
2.
and circuit wiring are functioning correctly, no further
switch testing is necessary.
If the Diagnostic Display verifies that the lift switch
Figure 67
3.
4.
1.
2.
Console arm
LH lift switch
Front lift switch
RH lift switch
3.
switch and circuit wiring are not functioning correctly,
If the Diagnostic Display determines that the lift
4
5
2
6
3
test lift switch.
4.
Make sure ignition switch is OFF. Remove key from
ignition switch.
5.
deck lift switches (see Console Arm Disassembly in the
Service and Repairs section of Chapter 7 -- Chassis).
Disassemble console arm to gain access to cutting
1
BACK OF SWITCH
6.
68.
charttotheright.Withtheuseofamultimeter(ohmsset-
ting), the switch functions may be tested to determine
whether continuity exists between the various terminals
foreachposition.Verifycontinuitybetweenswitchtermi-
nals. Replace switch if testing identifies a faulty switch.
The switch terminals are marked as shown in Figure
The circuit logic of the lift switches is shown in the
Figure 68
SWITCH
CLOSED
CIRCUITS
OPEN
CIRCUITS
POSITION
DECK RAISE
2 + 3
2 + 1
5 + 4
5
+ 6
7.
Connect the harness connector to the switch after
testing.
NEUTRAL
NONE
2 + 1
ALL
DECK LOWER
2 + 3
5 + 6
8.
If switch tests correctly and circuit problem still ex-
5
+ 4
ists, check wire harness (see Electrical Schematics and
Wire Harness Drawings in Chapter 10 -- Foldout Draw-
ings).
9.
sembly in the Service and Repairs section of Chapter 7
Assemble console arm cover (see Console Arm As-
--
Chassis).
Electrical System
Page 5 -- 38
Groundsmaster 5900/5910
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