Remove the three shoulder bolts securing the black plastic lower flail housing to the lower housing. Refer to Figure 5-6. Tilt top of black plastic lower flail housing toward the engine to remove. Using a 3/16” allen wrench, remove the flat head cap screws that hold the chipper blade to the impeller. These screws are accessible through the opening created when the chipper chute was removed earlier. See Figure 5-7. The nuts on the flat head cap screws can be reached from underneath using a 1/2-inch socket, universal, and extension. See Figure 5-8. Replace or sharpen chipper blade. The blade can be sharpened with a file or on a grinding wheel. WARNING: The chipper blade is sharp. When sharpening blade, wear leather work gloves to protect your hands and follow the original angle of grind. 12. Reassemble by performing the previous steps in the opposite order and manner of removal. NOTE: Tighten blade screws to 210 - 250 in-lbs. Make certain chipper blade is reassembled with the sharp edge facing upward. Off Season Storage When storing the chipper/shredder vacuum in an unventilated or metal storage shed, care should be taken to rustproof the non-painted surfaces. Using a light oil or silicone, coat the equipment, especially any springs, bearings, and cables. Remove all dirt from exterior of engine and equipment. Follow lubrication recommendations. Refer to engine manual for correct engine storage instructions. Store equipment in a clean, dry area. Do not store in an area where equipment is present that may use a pilot light or has a component that can create a spark. 7. 8. 9. 10. 11. • • • • • 5 Maintaining Your Chipper Shredder Vacuum Figure 5-6 Figure 5-7 Figure 5-8 Flat Head Cap Screws Chipper Blade Nuts Impeller Black Plastic Nozzle Shoulder Screws Problem Cause Remedy Engine fails to start 1. Throttle lever not in correct starting position. 2. Spark plug wire disconnected. 3. Choke not in CHOKE position (if equipped). 4. Fuel tank empty or stale fuel. 5. Engine not primed (if equipped). 6. Faulty spark plug. 7. Safety switch not depressed. 8. Safety switch wire is not connected to engine or not properly grounded. 1. Move throttle lever to FAST or START position. 2. Connect wire to spark plug. 3. Move choke lever to CHOKE position. 4. Fill tank with clean, fresh gasoline. 5. Prime engine as instructed in Engine Manual. 6. Clean, adjust gap, or replace. 7. Safety switch must be depressed by the front tab on the bag handle when securing the bag. 8. Connect safety switch wire to engine connector and ground to mounting bracket. Engine runs erratic 1. Spark plug wire loose. 2. Unit running on CHOKE (if equipped). 3. Blocked fuel line or stale fuel. 4. Low engine RPM. 5. Water or dirt in fuel system. 6. Dirty air cleaner. 7. Carburetor out of adjustment. 1. Connect and tighten spark plug wire. 2. Move choke lever to OFF position. 3. Clean fuel line; fill tank with clean, fresh gasoline. 4. Always run engine at full throttle. 5. Drain fuel tank. Refill with fresh fuel. 6. Refer to engine manual. 7. See authorized service dealer. Engine overheats 1. Engine oil level low. 2. Dirty air cleaner. 3. Carburetor not adjusted properly. 1. Fill crankcase with proper oil. 2. Refer to engine manual. 3. See authorized service dealer. Occasional skips (hesitates) at high speed 1. Spark plug gap too close. 2. Carburetor idle mixture adjustment improperly set. 1. Remove spark plug and adjust gap. 2. See authorized service dealer. Excessive Vibration 1. Loose parts or damaged impeller. 1. See authorized service dealer. Unit does not 1. Discharge area clogged. 1. Stop engine immediately and discharge disconnect spark plug wire. Clean flail screen and inside of discharge opening. 2. Foreign object lodged in impeller. 2. Stop engine and disconnect spark plug wire. Remove lodged object. 3. Low engine RPM. 3. Always run engine at full throttle. 4. Vacuum bag is full. 4. Empty bag. Rate of discharge 1. Low engine RPM. 1. Always run engine at full throttle. slows considerably 2. Chipper blade dull. 2. Replace chipper blade or see your or composition of authorized service dealer. discharged material changes 6 Trouble Shooting For repairs beyond the minor adjustments listed here, contact an authorized service dealer. 16 NOTES Use this page to make notes and write down important information. 1 18 Model Series 060 39 41 52 40 51 6 34 23 15 40 45 7 38 13 36 19 18 17 16 4 50 44 46 42 29 28 26 30 21 32 31 50 35 24 25 33 1 48 49 50 47 37 43 27 20 12 14 3 2 11 7 22 34 5 10 9 8 A A Parts List To order replacement parts, call the Customer Dealer Referral Line at 1-877-282-8684, or visit to find the nearest Cub Cadet service dealer in your area. GEN U INE FACTORY PARTS Ref. No. Part No. Description 1. 736-0314 Thrust Washer.375 ID x.70 OD 2. 749-04172 Upper Handle 3. 720-0279 Knob 4. 710-0599 Screw, 1/4-20 x.500 5. 710-1205 Eye Bolt 6. 781-1056 Upper Handle Bracket 7. 710-0726 Hex Cap Screw 5/16-12 x.750 8. 720-04072 Star Knob 9. 71...