Chipper Owners Manual Chipper Models: 73413 13hp Honda 73420 20hp Honda 73454 PTO Crary Company Box 849 West Fargo, ND 58078 (701) 282-5520 • (800) 247-7335 FAX: (701) 282-9522 Manufactured in the United States of America by Crary Company Cat. No. 12127 Manual No.
Dear Bear Cat Customer, Thank you for purchasing a Crary Bear Cat Chipper. The Bear Cat Chipper is designed, tested, and manufactured to give years of dependable performance. To keep your chipper operating at peak efficiency, it is necessary to adjust it correctly and make regular inspections. The following pages will assist you in the operation and maintenance of your machine. Please read and understand this manual before operating the chipper.
Chipper Limited Warranty Crary Bear Cat Chipper models 73413, 73420, and 73454 are warranted for two years from date of sale for consumers and 90 days from the date of sale for commercial or rental operations. Within the above stated period, Crary Co. will replace any part(s) found to be defective in material and/or workmanship, after the receipt of the part in our plant. Labor costs to replace these defective parts will be paid at a Crary established labor rate and time allowed (flat rate) for repair.
Contents Safety Instructions ........................................................................ 2 Engine Model Assembly ............................................................... 6 Attach the Trailer Axle ............................................................................. 6 Attach the Trailer Wheels ......................................................................... 6 Attach the Hitch .......................................................................................
Safety Instructions Your safety and the safety of others is very important. We have provided important safety messages in this manual and on the machine. Please read these messages carefully. A safety message alerts you to potential hazards that could hurt you or others. Each safety message is preceded by one of three words: DANGER, WARNING, or CAUTION.
Safety Instructions-Cont. Operation Setting up your chipping site so you are not endangered by traffic and the public is not endangered by your work is critical for safety. Take great care to provide adequate warning by way of signage and coning, if diverting vehicles or pedestrian traffic is necessary. A well-prepared traffic plan includes parking off the highway whenever possible. Cone the work area as soon as the chipper vehicle is stopped. Avoid sudden traffic stoppage or lane diversion.
Safety Instructions-Cont. Safety Rules for Towing • Rotate the discharge tube to face the opposite direction of the towing vehicle before towing. This prevents the discharge tube from projecting over the trailer wheels and striking foreign objects. • Connect hitch safety chains. Tighten and secure trailer hitch bolts. Do not attempt to tow the trailer if vehicle is not equipped with a 2" ball. • Maximum towing speed is 55 M.P.H. Inflate tires to manufactures specs. as stated on the tire sidewall.
Safety Instructions-Cont. • Keep hands, feet, and clothing away from all PTO drive parts. • Do not clean, lubricate, or adjust the PTO shaft when it's running. • Clothing worn by operator must be fairly tight. Never wear loose-fitting jackets, shirts, or pants when working around the PTO. Tie long hair back or put under a cap. • Keep hydraulic hoses, electric cords, chains, and other items from contacting the driveline.
Engine Model Assembly Your chipper may arrive totally or partially assembled. Perform the steps in this section if your chipper arrives partially assembled. Attach the Trailer Axle 1. Remove the chipper from the shipping crate. Do not operate this unit without thechipperchute correctlyinstalled. Rotatingcutting bladescancause seriouspersonal injury. 2. Place the unit on a level surface before attempting to assemble it.
Engine Model Assembly-Cont. Before Using Fill the engine with oil (per instructions in supplied engine manual) and fill the fuel tank with fuel.
Engine Model Assembly-Cont.
PTO Model Assembly Connect PTO Shaft 1. Connect the PTO shaft female end to the rotor shaft using key stock and two set screws contained in the owners kit. 2. Connect the opposite end of the PTO shaft to the tractor. 3. Check all screws, bolts, and nuts for tightness. See torque chart on page 4 for correct tightness. Refer to previous pages for instructions on chipper chute and discharge chute assembly.
Operation Starting Instructions: 13 HP Engine Models Move machine to a clear, level area outdoorsbefore starting. Do not operatemachineon apaved,concrete,or gravel surface. Do not operate in the vicinityof bystanders.Make surecutting chamberisempty beforestarting. NOTE: Normal engine output is 3600 RPM no load. 1. Before starting be sure to check engine oil level. 2. Turn engine fuel valve to the ON position, and move choke lever to the CLOSE position.
Operation- Cont. Starting Instructions: PTO Models 1. Place tractor transmission in neutral and set parking brake. 2 Thischipperisdesigned to be used with tractor PTO's rated at 15 to 40 horsepower.Usingthis chipper with PTO's above40horsepower maycausebeltand machinedamagein overloadconditions. Connect 3 pt. mounts between the chipper and the tractor. Secure connections with snap pins. Adjust 3 pt. top link so that chipper sits level. 3. Connect PTO shaft to tractor.
Operation- Cont. • Alternate greener material with dry material to lubricate the chipping blades for longer life and better performance. • When the chipping blades become dull, they will require periodic sharpening. Refer to Service and Maintenance, "Sharpening Chipper Blades." Donotleavemachineunattended,orattemptanyinspection orserviceunlesstheengineisstoppedandthekeyremoved fromkeyswitch. Stopping Instructions: Engine Models 1. Move throttle to slowest position. 2. Depress foot clutch pedal. 3.
Service and Maintenance Before inspecting or servicing any part of the machine, shut off the engine, and make sure all moving parts have come to a complete stop. The chipping blades are sharp! Use care when working on machine to avoid injury. Check the engine oil, and change the oil and filter as recommended in the manual. Service and replace the air cleaner as recommended. Sharpening Chipper Blades The chipper blades will eventually dull, making chipping difficult.
Service and Maintenance-Cont. • Be careful when grinding so that the blade material does not get too hot and change color if you use a bench grinder–this will remove the blade's special heat treated properties. • Use short grinding times and cool with water. • Try to remove an equal amount off each blade to maintain balance. 5. Replace the chipping blades and tighten bolts to 20 ft. lbs. 6. Close cover and replace bolts. Never grind on the back side of the chipper blade.
Service and Maintenance-Cont. Adjusting Drive Belt Check the condition of the drive belt annually or after every 25 hours of operation, whichever comes first. Replace cracked, frayed, worn, or stretched drive belt. Only replace drive belt with original banded type belt, do not use single type belts. To adjust the drive belt, proceed as follows: 1. Depress foot clutch pedal. 2. Shut engine off. 3. Disconnect battery cables. 4. Remove large belt guard (three 5/16 inch bolts). 5.
Service and Maintenance-Cont. 4. Remove drive belt from pulleys. 5. Install new belt on pulleys and lower belt idler. Check alignment of pulleys and adjust if needed. 6. Check belt tension before start-up. Adjust the eyebolt that anchors the idler spring to adjust the belt tension. Tighten the eyebolt until the belt deflection at the center of the belt is 7/16" when a 20 lb. load is placed against the belt (see figure 6). Move the engine on the mounting stand if unable to attain proper tension. 7.
Service and Maintenance-Cont 9. Replace roll pin with a new 1/2 x 2" pin, P/N 15137. 10. Return the complete rotor assembly to the chipper frame with an overhead hoist or lifting device. 11. Slide rotor back until front roll pin is tight against the front bearing. 12. Lock the front bearing and install the four 1/2 inch bolts on each bearing to secure them to the frame. Tighten bolts to 75 ft. lbs. 13. Check and adjust chipper anvil if needed. Lock rear bearing. 14.
Service and Maintenance Schedule Before Each Use Inspection Items Every 10 Hours Every 25 Hours Every 50 Hours Interval Every Every 100 200 Hours Hours Every 300 Hours Every 800 Hours Check Nuts & Bolts (Including Wheels & Tire Pressure) Check Engine Oil Replace Replace Spark Plug Check Air Filter Element Clean Replace * ** Replace Fuel Filter Check Sharpness of Chipper Blades Grease Bearings and Pivots Check Bolts: Chipper Blade, Chipper Anvil, Rotor Paddles Check Drive Belt Clean Machine Not
Troubleshooting Problem Probable Cause Suggested Remedies Reference 1. Rotor does not turn a) Obstructed discharge b) Plugged rotor a) Use branch or similar object to clear discharge b) Clear rotor Service and Maintenance 2. Hard to feed chipper or excessive power needed to chip a) Obstructed discharge b) Dull chipper blades c) Improper blade clearance a) Use branch or similar object to clear discharge b) Sharpen blades c) Adjust clearance Service and Maintenance 3.
Specifications Overall Size: 72" x 54" x 84" Max Chipper Capacity (dia.): 4" Chipper Blade Qty.: 4 Reversible Tool Steel Rotor Size: 20" Dia. x 1.25" Rotor Weight: 140 lbs. Rotor Shaft Diameter: 1.75" Discharge Size: 6" Drive Type: Belt Belt Size: 2B70 Weight (lbs.): 780 lbs. (820 lbs.) Wheel Base: 44" Tire Size: 530-12 Fuel Tank Capacity (gal.): 1.75 (6.6) Engine: Honda 13hp gasoline (Honda 20hp gasoline) Specifications are subject to change due to design modifications.
Declaration of Conformity The undersigned manufacturer: Crary Industries, Inc. 237 NW 12th Street P.O.
Declaration of Conformity The undersigned manufacturer: Crary Industries, Inc. 237 NW 12th Street P.O.
HEALTH WARNING GASOLINE, DIESEL, AND OTHER PETROLEUM PRODUCTS Harmful or fatal if swallowed. Long-term exposure to vapors has caused cancer in laboratory animals. • Avoid prolonged breathing of vapors. • Keep face away from nozzle and gas tank/container opening. • Never siphon by mouth. Failure to use caution may cause serious injury or illness.
