Assessments - 4, GPA: 3.8
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carburetor), disengage all clutches. Keep clear of all moving parts. Be careful of heated surfaces and muffler. If carburetor needs adjustment to start or for oper-atidn, see "Carburetor Adjustment" section of engine manual. MAINTENANCE ¡¡WARNING j Disconnect spark plug wire and ground it against the engine before performing any repairs or maintenance. BAG Under normal usage the bag is subject to wear, a should be checked periodically. Be sure any replacement complies with the manufacturer's recommendation. Wash bag periodically with water. Allow to dry thoroughly in the shade. Do not use heat. ENGINE Refer to engine manual for proper maintenance procedures. Follow instructions carefully. OFF-SEASON STORAGE The following steps should be taken to prepare the vacuum for storage. 1. Clean the engine and the entire unit thoroughly. 2. Refer to engine manual for correct engine storage instructions. 3. Store in a clean, dry area. When storing any type of power equipment in an unventilated or metal storage shed, care should be taken to rust proof the equipment. Using a light oil or silicone, coat the equipment especially all moving parts. 8 TROUBLE SHOOTING CHART K PROBLEM CAUSE REMEDY 1. Engine fails to to start. A. Check fuel tank for gas. B. Spark plug lead wire disconnected. C. Faulty spark plug. A. Fill tank if empty. B. Connect lead wire. C. Clean, adjust gap or replace. 2. Hard starting or loss of power. A. Spark plug wire loose. B. Dirty air cleaner. A. Connect and tighten spark plug wire. B. Clean air cleaner as described in engine manual. 3. Engine over-^ heats. A. Carburetor not adjusted properly. B. Air flow restricted. C. Engine oil level low. A. Adjust carburetor. See engine manual. B. Remove blower housing on engine and clean as described in the engine manual. C. Fill crankcase with the proper oil. 4. Excessive vibration. A. Bent crankshaft. B. Impeller assembly out of balance. A. Replace crankshaft (should be done by an authorized service dealer). B. Replace impeller assembly. NOTE: For repairs beyond the minor adjustments listed above, please contact your local authorized service dealer. Hose Attachment Kit Model 290-210-000 and Blower Conversion Kit Model 290-211-000 are available as optional equipment. 9 10 Models 660 and 241665 PARTS LIST FOR MODELS 660 and 241665 POWER VACUUM *5- EF. JO. PART NO. COLOR CODE DESCRIPTION New Part REF. NO. PART NO. COLOR CODE DESCRIPTION New No. 1 749-0664 Upper Handle 28 736-0272 Fl.-Wash. 1/2” I.D. x 1.0” 2 Engine O.D. x .06 3 710-0260 Carriage Bolt 5/16-18 x 29 734-1140 Wheel Ass'y. Comp. 10 x .62” Lg.* 1.75” - Rear 4 15784-638 Blower Housing Ass'y. 30 736-0272 Fl.-Wash. 1/2” I.D. x 1.0” 5 710-0654A Hex Tap Scr. 3/8-16 x O.D. x .06 1.00” Lg. 31 750-0588 Wheel Spacer 1/2” I.D. x 6 15786A Impeller Ass'y. 15/16” Lg. 7 736-0217 L.-Wash 3/8” I.D.* 32 736-0331 Bell.-Wash. .39” I.D. x 8 710-0591 Hex Bolt 3/8-24 x 1.0" Lg. 1.12” O.D. w/Patch 33 712-0798 Hex Nut 3/8-16 Thd* 9 722-0137 P.V.C. Foam Strip (4-Pcs. 34 15779 Air Duct Ass'y. 12” Lg.) 35 710-0201 Hex Bolt 3/8-16 x .75” 10 15780-638 Vacuum Deck Ass'y. Lg.* 11 15796 Front Baffle Ass'y. 36 710-0344 Hex Bolt 3/8-16 x 1.50” 12 15788 Lower Baffle Ass'y Lg* 13 15790 Wiper Retaining Strip 37 736-0242 Bell.-Wash. .34” I.D. x 14 728-0123 Pop Rivet .188” Dia. .87” O.D. 15 735-0222 Nozzle Wiper Rear 38 720-0170 Thumb Scr. 5/16-18 x .75” 16 712-0267 Hex Nut 5/16-18 Thd.* Lg- 17 736-0242 Bell.-Wash. .34” I.D. x 39 712-0107 Hex Cent. L.-Nut 1/4-20 .87” O.D. Thd. 18 738-0102 Shld. Bolt 1/2” Dia. x 40 712-0113 Wing Nut 1/4-20 (Plastic) 1.45” Lg. (3/8-18) 41 710-0136 Hex Bolt 1/4-20 x 1.75” . 19 734-1139 Wheel Ass'y. Comp. 8 x Lg.* 1.75” - Front 42 764-0208A Vacuum Bag (6.6 Bushel) 20 736-0331 Bell. Wash. .39” I.D. x 43 749-0592 Lower Handle 1.12” O.D. 44 14578 Height Adjuster Ass'y. 21 15262B Wheel Pivot Bar Comp.-R.H. 22 15261A Index Plate N 14579 Height Adjuster Ass'y.- 23 736-0331 Bell.-Wash. .39” I.D. x N Comp.- L.H. (Not Shown) 1.12” O.D. 45 1539-019 Push Speed Nut .25” Dia. 24 712-0798 Hex Nut 3/8-16 Thd* 46 711-0737 Stud Pin .250” Dia. x 25 14832 Spring Lever Ass'y. 1.75” Lg. w/Knob 47 714-0105 Sq. Key 3/16 x 3/16 26 738-0507B Shoulder Bolt .500” x x 1.00” Lg. 7/16” Lg. (3/8-16) 48 735-0221 Nozzle Wiper Side 27 728-0128 Push Cap 50” Rod 49 15789 Wiper Retaining Strip (Black) 50 710-0302 Hex Wash. Hd. "F" Tap Scr. #10 51 736-0169 L-Wash. 3/8” I.D* * For faster service obtain standard nuts, bolts and washers locally. If these items cannot be obtained locally, order by part number and size as shown on parts list. 638 - Red When ordering parts if color or finish is important, use color code...
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