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Operator Safety Instructions Read the instruction manual before operating this mac h i ne. Operate this machine only from the rear of machine. ~ ~~~~ ~~~ Use caution when operating the machine on a ramp or incline. Do not turn or leave this machine unattended on a ramp or incline. ~ ~ ~~ Machine can cause an explosion when operated near flammable vapors and materials. ' Store machine inside. Keep the electrical components of the machine dry. ~ ~ ~~ Lead acid batteries generate gase
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CONTROL SOLUTION MAIN LIGHTED “ON” HANDLE SWITCH I VACUUM LIGHT SWITCH SOLUTION BATTERY BRUSH TRAVERSE CONTROL CONDITION “ON” CONTROL LEVER LIGHTS LIGHT HANDLE Controls flow of cleaning solution to floor. Light “ON” indicates solution valve is open. Indicates charge condition of batteries - 4 green lights - full charge - approximately 4 112 hours run time. 1 green light - approximately 112 hour run time left. Switches on main drive motor and brush. Light “ON” indicates brush
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NOTE This pedal can also be used to REGULAR MAINTENANCE , MACHINE PREPARATION Increase brush pressure to the floor. This can be done by pulling up on the BEFORE STARTING WORK PERIOD BAITERIES pedal and locking it in one of the posi- 1. Install batteries and connect battery 1. Disconnect battery charger. NOTE Dis- tions on the brush adjustment bracket. cables as shown. connect the “AC” power cord from the wall receptacle before removing the “DC” charger plug from machine. 2. Check wa
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2. Check motor brushes - when worn to 318" length replace both brushes. 2. Remove pulley to allow removal of left DRIVE CHAIN hand lift arm. 1. Remove left side skirt and side panel. BATTERY MAINTENANCE 3. Remove right hand pivot bolt, bushing 2. To remove chain, remove retaining clip 1. Keep tops of batteries clean and dry. and lift arm. and pull out master link. Use a damp cloth with a weak SOlutlOn of baking soda or ammonia and water. Use a clean dry cloth to wipe battery tops d
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4. Lift out motor - check motor brushes. 3. Remove axle hub clamps. Lift off assem- SQUEEQEE ASSEMBLY When worn to 318" replace brushes. bly and lay on bench to service. To remove squeegee assembly.. . 1. Depress pedal to raise squeegee. 2. Pull retaining pin from locator stud. 3. Push down on squeegee to remove from drag arm and slide squeegee to the right to disengage right hand stud from arm. DIFFERENTIAL ASSEMBLY WHEEL/DIFFERENTIAL NOTE: The differential assembly, traverse AXLE
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2. After installing new belt check for clear- BRUSH ANGLE CAUTION: Operating the machine with ance between traverse pulley and brush excessive pressure on the squeegee will ADJUSTMENT - -- - - - ~ ~ drive belt. The pulley should not be in cause abnormal wear on the squeegee 1. Start the brush motor and lower the contact with the belt when the traverse blades. brush slowly to the floor. When the rear handle is in the neutral position. “A” touches the floor, the of the brush BRUSH DR
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' VAC, BATTERY, TANK 7 VAC, BATTERY, TANK / 32 REV PARTNO. mnitvion 9 70280 Stud, 1/4 Turn Fastener 10 70076 Scr, 10-32 x 1 FHMS 11 51074 Lug, Shroud Mounting 12 48012 Knob, 5/16-18 8
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17 A I 16 9
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' MAINFRAME WITANKS 34 38 37 36 35 I / 41' io 39 13 14, "1 46
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SQUEEGEE w/ARM 59 69 --- 1 21 I 11 . . ~ __ . . . .- .- . . , . , . . . - . ..
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CONTROLS (MECHANICAL) ~ONTROLS (MECHANICAL) KEY PART NO. DESCRIPTION 1 05029 Arm. Drive Linkage Adj 2 70015 Scr. 1/4-20 x 314 HHMS 3 87090 Washer, 1/4 ID x 3/4 OD 4 14492 Bushing, .25 ID x .37 OD x .25 5 70270 Scr, 1/4-20 x 3/4 HHCS 6 05030 Arm, Drive Linkage 7 70260 Scr., M6 x 16 HHMS 8 87087 Washer, M6 x 25 9 14493 Bushing, .25 ID x .37 OD 10 57105 Nut, 1/4-20 Hex w/Star Washer 11 05033 Arm, Linkage Transfer 12 14491 Bushing, .25 ID x .62 OD 13 70265 Scr, 1/4-20 x 314 SHCS 14 7
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48 49 50
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‘IAL - 39 14 21
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PT.20 LABELS PART NO. DESCRIPTION LOCATION I inside cover I 50378 Instruction Card On handle I I 9387 Maintenance Under hood I 15
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-;:"BRUSH DRIVE I. 74 - Reduction Gearbox Assembly BRUSH DRIVE 1 KEY PART NO. DESCRIPTION t 53 671 12 Rod, Turnbuckle Sliding 54 57022 Nut, 3/8-16 Lock 55 66105 Pin, Turnbuckle 56 67104 Ring, 518 Ext Snap H-D 57 70260 Scr, M6x 16 58 87056 Washer, M6 59 20068 Clamp, PT-20 Brush 60 73317 Shim, 12mm Dia. 61 73318 Shim, 15mm Dia. 62 73319 Spring, PT-20 Brush Lock 63A 02095 Brush, PT-20 Nylon 638 02096 Brush, PT-20 Polypro 63C 02097 Brush, PT-20 Extra Aggressive 630 02098 Pad Driver
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I' " Product Modification Pi-20 BATTERY SC RU B B ER Beginning with Serial #I700 the following changes were made to the brush drive as shown on Page 16 in the .service manual. Retain this notice in your manual for reference when ordering replacement parts. 1. Key #44 - Changed to rod with lock nuts, replacing the snap rings. 2. Keys #1-2-3-4-6-35-72-73-74-75-76-77 - Changed drive plate, brush drive lock, and new gear unit assembly. 43 42 41 40 39 38 37 I b- I 18 (Rev. 3/91)
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I 7 J. PROBLEM PROBABLE CAUSE CORRECTIVE ACTION No power. Circuit breaker tripped. Reset brush motor circuit breaker (50 amp). Battery cables corroded 1. Clean battery cable clamps and battery terminals. at battery terminals. 2. Check voltage at points A and B. Voltage should be 22/26 VDC. Faulty main switch. 1. Check voltage at points A and C. Voltage should be 22/26 VDC. 2. Turn main switch on and check voltage at points A and D. Voltage should be 22/26 VDC. If no voltage remove leads
