Page 4 - TABLE OF CONTENTS
GB - 4 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Assembly . . . . . . . . . . . . . . . . . . . . . . . . 9 Controls and Features . . . . . . . . . . . . 10 Operation . . . . . . . . . . . . . . . . . . . . . . . 11 Maintenance. . . . . . . . . . . . . . . . . . . . . 15 Service...
Page 5 - DEALER DELIVERY; DISCLAIMER; Personal Safety Is Involved!; SAFETY
GB - 5 UNAUTHORIZED REPLACEMENT PARTS Use only Gravely replacement parts. Replacing any part on this vehicle with anything other than a Gravely authorized replacement part may adversely affect the performance, durability, or safety of this unit and may void the warranty. Gravely disclaims liability ...
Page 6 - SAFETY RULES
GB - 6 NOTATIONS NOTE: General reference information for proper operation and maintenance practices. IMPORTANT: Specific procedures or information required to prevent damage to unit or attachment. PRACTICES AND LAWS Practice usual and customary safe working precautions, for the benefit of yourself a...
Page 9 - ASSEMBLY
GB - 9 Sharp edges can cut or amputate fingers or a hand. Wrap blade or wear sturdy gloves to service. Use only replacement parts designed for your unit. See your Gravely Dealer. Allow engine to cool before storing in any enclosure.ALWAYS clean unit before extended storage. See engine manual for pro...
Page 10 - CONTROLS AND FEATURES
GB - 10 1. Engine/Blade Control2. Wheel Drive Control (911094, 098, 100, 394) 3. Adjustable and Folding Handlebars4. Swivel Wheel Lock (911100) 5. Grass Bag6. Rear Door7. Fuel Tank and Cap8. Fuel Shutoff Valve (911094, 095, 394)9. Height Adjustment Pins 10. Muffler and Muffler Guard 11. Oil Fill/Dip...
Page 11 - Handlebar; CUTTING HEIGHT ADJUSTMENT; Standard Models; OPERATION; Cutting Height Settings Chart
GB - 11 CONTROLS AND FEATURES See Figure 5 for locations. Engine/Blade Control The engine/blade control must be held against the handlebar to start the engine and blade. Engine/blade control feature on mower stops engine and blade within 3 seconds whenever operator releases handlebar. Check this fea...
Page 12 - Wheel Drive Control; Rear
GB - 12 Swivel Wheel Models (911100) To change front wheel cutting height, insert height adjuster pin into the holes that match the desired cutting height and fasten with key ring (Figure 7). To change rear wheel cutting height, move cutting height levers one notch at a time to set the desired cutti...
Page 13 - FILLING FUEL TANK; To Bag
GB - 13 Swivel Wheel Lock (911100) To hold wheel straight: 1. Push swivel wheel lock forward.2. Push unit forward until wheel locks in place. To allow wheel to swivel: 1. Pull swivel wheel lock back. Fuel Shutoff Valve (911094, 095, 394) IMPORTANT: The fuel shutoff valve MUST be in the closed positi...
Page 14 - EMERGENCY STOPPING; Manual Start
GB - 14 Grass Bag Removal 1. Shut off unit.2. Lift rear door. 3. Use handle to lift bag off mounting flange. 4. Close rear door. NOTE: Empty grass bag and clean mower pan after each use. DO NOT allow grass clumps or a grass coating to collect inside of grass bag or mower pan. Remove grass bag from m...
Page 15 - Mulching Tips; MAINTENANCE SCHEDULE; MAINTENANCE
GB - 15 Mulching Tips For best mulching performance, cut no more than 1 inch (2.54 cm) of grass per cutting. Gravely Dealers will provide any service, parts or adjustments which may be required to keep your unit operating at peak efficiency. Should engine require service, contact a Gravely Dealer or...
Page 16 - Sharpen the Mower Blades; CHECK DRIVE BELT
GB - 16 2. Torque bolt to 37.5 - 50 lbf-ft (51-68 N•m) (bolt should fully compress lock washer). 3. Connect spark plug wire. Sharpen the Mower Blades 1. Remove mower blade from unit. Discard mower blade if: • More than 1/2 in. (1.27 cm) of metal is removed. • Air lifts become eroded. • Blade is bent...
Page 17 - HANDLEBAR HEIGHT; SERVICE AND ADJUSTMENTS
GB - 17 Swivel Wheels (911100) See Figure 10. Use Sten Mix Hi-Temp Grease or equivalent on the lube fittings. Order P/N: 00036800 - 3 pack of 3 oz. cartridges. CHECK SPARK PLUG Spark plug should be replaced every 100 hours of operation or each year.NOTE: Loose spark plug wire terminals can cause spa...
Page 18 - No slack
GB - 18 ENGINE/BLADE CONTROL ADJUSTMENT To adjust engine/blade control: 1. Loosen cable nuts away from bracket. 2. Squeeze z-bend bracket at engine end of cable toward front of unit and hold in place. 3. Pull cable down from bracket until there is no slack in cable. Figure 11 Pin Hole OM1800 911098,...
Page 19 - DRIVE BELT REPLACEMENT
GB - 19 4. Tighten lower cable nut to 1/8" (3 mm) below bracket. Release z-bend bracket. 5. Tighten upper cable nut until bracket is secure between cable nuts. 6. Engage engine/blade control. Measure distance between middle of z-bend and cable bracket. Measurement should be as shown below. 7. If...
Page 20 - SPEED CONTROL BELL CRANK
GB - 20 WHEEL DRIVE CONTROL ADJUSTMENT (self-propelled models) See Figure 14. The wheel drive must start to engage when wheel drive control is between 2-1/4" and 2-3/4" (5.7 and 7 cm) away from the handlebar. To check: 1. With engine off, select a slow speed.2. Slowly pull unit backwards.3. ...
Page 22 - SERVICE PARTS
GB - 22 Wheel drive does not engage (Self-Propelled models) 1. Wheel drive control not engaged. 2. Drive belt out of position. 3. Drive belt worn or damaged. 4. Rear wheels in different cutting heights. 5. Idler spring detached. 6. Wheel drive control cable detached or broken. 7. Friction disc not a...
Page 23 - SPECIFICATIONS
GB - 23 SPECIFICATIONS Model Number 911094 911095 911098 911100 911394 Description PRO21SCH PRO21CH LM21S LM21SW PRO21SCH Length - in (cm) 61.5 (156) Height - in (cm) 38 (96.5) Width - in (cm) 23 (58.4) Actual Weight - lbs (kg) 115 (52.2) 99 (44.9) 97 (44) 109 (49.5) 115 (52.2) Cutting Width 21 (53....