Service Manual

Diagnostics(continued)
Theleftorrightdecklower(MASTERLIFTSOLENOIDOandDECK
LOWERON).
Oncethedeckisfullylowered,thefollowingoutputsmustoccur:
Theleftorrightdeckintheoatmode(DECKFLOATON).
Note:Ifthedeckisalreadyfullyloweredwhenthekeyswitchismovedfrom
theOFFpositiontoRUNposition,thedeckwillnotbeinoatuntilthedeck
lift/lowerswitchismomentarilypressedtolower.
Toraisealeftorrightcuttingdeck,thefollowinginputsmustbeinitiated:
•Theleftorrightdecklift/lowerswitchispressedtoraise(DECKRAISEON).
•Thehigh-lowspeedswitchmustbeinLow(HIGHRANGEOFF).
•Theseatmustbeoccupied(SEATON).
Iftheproperinputsexist,thefollowingoutputsmustoccur:
Theleftorrightdeckraise(MASTERLIFTSOLENOIDONandDECKRAISE
ON)
g032192
Figure203
2.CENTERDECKcontrols(Figure203)
Note:Thecuttingdecksdoesnotlowerwhenyouselectthehighspeed
range.Also,thedecksdonotraiseorloweriftheoperatorisnotintheseat
whiletheengineisrunning.
Tolowerthecenter(front)cuttingdeck,thefollowinginputsmustbeinitiated:
•Thecenterdecklift/lowerswitchispressedtolower(CENTERDECK
LOWERON).
•Thehigh-lowspeedswitchmustbeinLow(HIGHRANGEOFF).
•Theseatmustbeoccupied(SEATON).
Iftheproperinputsexist,thefollowingoutputsmustoccur:
Thecenterdecklower(CENTERDECKLOWER/FLOON).
Toraisethecenter(front)cuttingdeck,thefollowinginputsmustbeinitiated:
•Thecenterdecklift/lowerswitchispressedtoraise(CENTERDECK
RAISEON).
•Thehigh-lowspeedswitchmustbeinLow(HIGHRANGEOFF).
Iftheproperinputsexist,thefollowingoutputsmustoccur:
Thecenterdeckraise(MASTERLIFTSOLENOIDONandCENTERDECK
RAISEON).
Groundsmaster5900TractionUnit
Page5–27
ElectricalSystem:InfoCenterDisplay
08159SLRevC