Accessories; Service Parts - Gravely Pro-walk hydro 36HR PG Owner's/Operator's Manual

Machine
Problem
Excessive Machine Vibration
Unit Will Not Move With Engine
Running
Unit Creeps With Engine
Running and Control Levers in a
Neutral Position

ACCESSORIES

Part No. Description
79260500 36-in. Mulch Kit (988153, 56)
79260000 48-in. Mulch Kit (988154, 57)
79260400 52-in. Mulch Kit (988155, 58)
78805100 Two-Wheel Sulky
78814800 Grass Collector, 3 cu/ft
78806100 Operator-Controlled Discharge
Baffle
79211500 Weight Kit, 30 lb. (13.6 Kg)
79260200 61-in. Mulch Kit (988159)
78814700 Cloth Collector, 4 cu/ft
TROUBLESHOOTING
Probable Cause
Engine speed too slow.
Deck drive belts worn or damaged.
Pump drive belt worn or damaged.
Dirt or debris on drive sheaves.
Loose or damaged electric PTO or drive sheave.
Bent or damaged cutting blades.
Parking brake engaged.
Hydraulic oil level low.
Hydraulic oil cold – allow engine to warm.
Pump drive belt slipping.
Pump bypass valves open. See MOVING THE UNIT
MANUALLY on page 20.
Pump drive belt damaged or worn.
Wheel motor problems. See your Gravely dealer.
Needs control linkage adjustment. See ADJUSTING
PUMP NEUTRAL POSITION on page 26.
GB - 49

SERVICE PARTS

Part No. Qty Description
07200518 1 Belt, Blade Drive
(988153, 56)
07200519 1 Belt, Blade Drive
(988154, 57)
00181711 1 Belt, Blade Drive
(988155, 58)
D38006 1 Belt – Hydrostatic Drive
04952005 1 Fuel Tank Cap
00590600 1 Fuse, 20 Amp (988154,
55, 57, 58, 59)
00888400 1 Relay (988154, 55, 57,
58, 59)
01554800 1 Battery (988154, 55, 57,
58, 59)
00669300 1 Hydraulic Filter
GDU10231 2 Mower Blade (988153,
56)
GDU10230 3 Mower Blade (988154,
57)
GDU10231 3 Mower Blade (988155,
58)
GDU10232 3 Mower Blade (988159)
07200614 1 Belt, Blade Drive
(988159)