Gravely Hydro Pro Series - Accessories; Service Parts

GB - 25
* Available in CE countries.
** NOT approved for 52-inch models. DO NOT use on
52-inch models due to hillside parking limits.
Changes in the
sound or
vibrations of the
unit
1. Loose or missing fasteners.
2. Mower blade problem.
3. Worn or damaged clutch.
1. Check all the fasteners. Replace if necessary.
2. Check blades for wear or damage. See MOWER
BLADES on page 23.
3. See your Dealer for repairs.
Unit pulls sharply
to the left or right
when the speed
control levers are
quickly moved all
the way forward
Unit does not
straighten
immediately when
the steering levers
are released
1. Rust on the clutch sliding pin.
2. Binding in the pump actuating
linkage.
3. Steering levers out of adjustment.
1. Clean heavy rust deposits from the pin. See Service
and Adjustments.
1. Check linkage for debris or damage. Repair if
necessary. See Service and Adjustments or your
Dealer for repairs.
1. See SPEED CONTROL NEUTRAL ADJUSTMENT
(988105, 108, 123, 126) on page 18.
Unit loses power 1. Binding in the steering or parking
brake linkage.
2. Steering levers out of adjustment.
1. Check linkage for debris or damage. Repair if
necessary. See Parking Brake Adjustment on
page 18 or your Dealer for repairs.
2. See SPEED CONTROL NEUTRAL ADJUSTMENT
(988105, 108, 123, 126) on page 18.
PROBLEM PROBABLE CAUSE CORRECTION
ACCESSORIES
Part No. Description
78803300 36" Mulching Kit (988105, 120)
78803400 48" Mulching Kit (988108)
78803500 52" Mulching Kit
78803700 36" Bahia/Tall Grass Baffle Kit (988105, 120)
78803800 48" Bahia/Tall Grass Baffle Kit (988108)
78803900 52" Bahia/Tall Grass Baffle Kit
78803600 36" Lawn Striping Kit (988105, 120)
78804000 36" Double Blade Kit (988105, 120)
78804100 44" and 48" Double Blade Kit (988108)
78804300 Grass Catcher (988105, 108, 120)
78804400 Leaf Collector** (988105, 108, 120)
78805000 Single Wheel Sulky** (988105, 108, 120)
78805100 Two Wheel Sulky** (988105, 108, 120)
78804900
Speed Control Kit
* (988105, 108)
SERVICE PARTS
Part No. Qty Description
21538000 1 Paper Element (15 HP)
21538100 1 Foam Precleaner (15 HP)
21538200 1 Paper Element (17 HP)
21538300 1 Foam Precleaner (17 HP)
21538400 1 Fuel Filter
21535800 1 Oil Filter
21533600 2 Spark Plug
04919100 1 Mower Blade - 16.25" (988108)
04916400 1 Mower Blade - 18.00" (988105, 120)
00273000 1 Mulch Blade - (988108)
00273100 1 Mulch Blade - (988105, 120)
07240100 1 Mower Drive Belt - 36" Deck
07240200 1 Mower Drive Belt - 48" Deck
07202900 1 Mower Deck Belt - 48" Deck
07222300 1 Mower Drive Belt - 52" Deck
07240300 1 Mower Deck Belt - 52" Deck
07239700 1 Hydro Belt