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NAME: 40" COMMERCIAL MOWER
40" COMMERCIAL MOWER ATTACHED TO C12 TRACTOR WITH DUAL WHEELS
GENERAL
1. The 40" Commercial Mower is a front mount unit
designed and built to give many years of excellent
service. The mower is recommended for rough
mowing conditions; has all gear drive from engine to
mower, heavy-duty steel deck, rugged skids and
casters, and 2 adjustable blades. The mower
attaches to both 2 and 4 wheel tractors (see
paragraph 3).
2. The Owners Manual includes the parts list, setting
up the mower, safety, operation, and maintenance
instructions. Use the parts list for reference to
individual part numbers. If further information is
necessary contact the local Gravely dealer.
3. Height: 15-1/2" Weight: 182 lbs.
Length: 34-3/4" Width: 42"
Cutting Width: 40"
Deck: Reinforced, welded steel.
Drive: Right angle bevel gear, tapered roller
bearings, cast iron housing, 2 self
adjusting spring tensioned V-belts.
OPERATOR'S
MANUAL
PART NUMBER(S): 11362 - 40" Commercial Drive
11368 - 40" Commercial Deck
Blades:
2 steel,
20-1/2" length, 3/16" thick
Features:
Adjustable casters, adjustable swivel
action.
Purpose:
Heavy mowing conditions.
Recommended for the following tractors:
7.6 - C10A - C12
424 - 430 - 432
810 - 812 - 814 - 816S
Required
attaching kits:
7.6 - C10A - C12: None
424 - 430 - 432:
15840E1 Front Drive Kit
11601E1 Front Adapter Kit
810-812-814-816S:
19075E1 Front Drive Kit
11601E1 Front Adapter Kit
Recommended optional equipment for special
applications:
7.6 - C10A - C12: None
Riding Tractors:
20181E1 Wheel Brake Kit, 800 Series
11924E1 Front Wheel Weights
Recommend option for riding tractors without
hydraulics:
11271E1 Lift Assist Kit
1
hi-strength,
hi-lift,
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Summary of Contents for Gravely 40
- Page 1 OPERATOR'S MANUAL NAME: 40" COMMERCIAL MOWER PART NUMBER(S): 11362 - 40" Commercial Drive 11368 - 40" Commercial Deck 40" COMMERCIAL MOWER ATTACHED TO C12 TRACTOR WITH DUAL WHEELS GENERAL Blades: 2 steel, hi-strength, hi-lift, 1. The 40" Commercial Mower is a front mount unit 20-1/2"...
- Page 2 180193 Bolt, Hex 1/2-13 x 3-3/4 435507 Nut, Lock 1/2-13 Washer Insert Complete 40" Rotary Mower Spindles R.H. #10398A1 and L.H. #10399A1 Include Item Numbers 8 through 21 and Numbers 23 and 24 ILLUSTRATED PARTS LIST Continued on Page 4...
- Page 3 The 3 hex bolts fasten from the top, fig different sleeve lengths of the idlers. The short 1, Items 29 & 40. Start all bolts and nuts before sleeve goes next to the high rotor and the tall tightening.
- Page 4 fig 5 12862P1 Gear, Bevel ITEM PART N0. DESCRIPTION 120502 Key, Woodruff 3/16 x 7/8 Hard 13187P1 Ring, Retaining 181618 Bolt, Hex 5/16-24 x 1-3/4 14101P1 Shim, Gear .020 13412P1 Nut, Lock Esna 5/8-18 Light Thin 12490P1 Shim, Gear House .005 12871P1 Spring 12491P1...
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Page 5: Installation
Remove filler plug and level plug, fig 6 . Fill the gear drive housing to the oil level plug with SAE 90 gear lubricant. Replace the plugs. Check the 7.6, C10A, C12 TRACTORS: level periodically especially if signs of leakage The mower attaches to the front of the tractors are present. -
Page 6: Removal From Tractor
Hold the rotor shaft with a 3/8” socket drive and remove the nut with a 15367E1 Gravely Wrench or equivalent fig 9. Do not use the top spindle nut to hold the spindle form Perform the lubrications as described in spinning LUBRICATION, paragraphs 1 through 4. -
Page 7: Maintenance And Lubrication
14 and 15. Hold the rotor shaft with a 3/8" socket drive and torque the nut to 100 ft. lbs. Similar Perform all that applies from ROUTINE tightness can be reached with a Gravely MAINTENANCE and LUBRICATION. 11367E1 Wrench or any 16" length handle wrench when used by an average man, fig 9.