GB - 26
PTO or mower blades
do not engage or
shuts off.
1. Operator presence switch not depressed.
2. Eye-QTM alarm setting is turned on.
3. The Eye-QTM circuitry senses an
overload to the PTO clutch and is
shutting off the PTO switch.
4. Faulty PTO switch.
1. Depress operator presence switch by
sitting on seat.
2. Turn off the alarm that deactivates the
PTO on a regular schedule. See Eye-Q
Owner’s Manual.
3. Check the mower deck for clogging or
debris. Check the electrical system to the
clutch for damage or wear.
4. See your Gravely Dealer.
Unit does not drive. 1. Parking brake engaged.
2. Transmission bypass levers open.
3. Hydraulic oil level low.
4. Faulty hydraulic drive system.
1. Disengage parking brake.
2. Close transmission bypass levers (see
Moving the Unit with the Engine Off on
page 14).
3. Add hydraulic oil (see Hydraulic Fluid on
page 17).
4. See your Gravely dealer.
TROUBLESHOOTINGPROBLEM PROBABLE CAUSE CORRECTION
ACCESSORIESPart No. Description
78803500 52" Mulching Kit
78803900 52" Bahia/Tall Grass Baffle Kit
79200300 60" Mulching Kit
79200400 Discharge Cover Kit - 60" Decks
79200900 72" Mulching Kit
79201000 Discharge Cover Kit - 72" Decks
79201600 60" Bahia/Tall Grass Baffle Kit
79201700 Counterweight Kit
79202000 72" Bahia/Tall Grass Baffle Kit
79202100 Liftmaster Kit
79202300 Hitch Kit
79202400 Antiscalp Wheel Kit
79202600 Lawn Striper Kit, 60" and 72"
79202800 Discharge Cover Kit - 52" Decks
79203100 Lawn Striper Kit, 52"
89200100 Rollover Protection System (ROPS)
89200200 60" Bagger (Peco) (requires bumper p/n
09249953)
89200500 60" Bagger
SERVICE PARTSPart No. Qty Description
01554800 1 Battery
21539600 1 Air Filter Outer Element - Kawasaki
21539700 1 Air Filter Inner Element - Kawasaki
21537000 1 Outer Primary Element - Kohler
21536900 1 Inner Safety Element - Kohler
21536300 1 Element Precleaner - Kohler 25 HP
21535800 1 Engine Oil Filter - Kawasaki
21397200 1 Engine Oil Filter - Kohler
09246900 1 Hydraulic Oil Filter
21536100 2 Spark Plug - Kawasaki
21525900 2 Spark Plug - Kohler
07240700 1 PTO (Engine to Deck) Belt (52")
07241300 1 PTO (Engine to Deck) Belt (60")
07242300 1 PTO (Engine to Deck) Belt (72")
07222300 1 Mower Drive Belt (52")
07235000 1 Mower Drive Belt (60")
07237700 1 Mower Drive Belt (72")
07242000 1 Traction (Hydro Pump) Belt - Poly V
04916400 1 Blade (52")
04917900 1 Mulch Blade (52")
09081200 1 Blade (60")
08866900 1 Mulch Blade (60")
09290500 1 Blade (72")
09290600 1 Mulch Blade (72")