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Troubleshooting Guide

Problem

Cause

Solution

1. The scraper does not work when the pump 

is generating pressure.

a. Severe blockage in wheel drive motor 

hoses

b. Wheel drive motors defective

a. Check hoses for blockage and replace 

hose if necessary

b. Call National service center

2. The hoses are worn.

a. Hoses rubbing on components

b. Hose has been exposed to poor environ-

mental conditions

a. Replace and protect the hose

b. Replace hose and protect equipment from 

poor conditions

3. The machine makes an unusually loud 

hissing or whistling noise.

a. Fluid is passing over relief valves
b. Air in hydraulic circuit

a. If noise is continuous, call a National 

Service Center

b. See Trouble 7 and 9

4. Oil deposits are evident on the inner sides 

of the driving wheels.

a. Fluid is passing over relief valves

b. Air in hydraulic circuit

a. Have shaft seals replaced by a specialist
b. Tighten hose 

fi

 tting. Replace hose or 

fi

 tting 

if necessary

5. The machine has no power with the engine 

running at 3500 rpm.

a. Check valve adjustment
b. Check hoses for leaks

a & b. Contact National Service Center imme-

diately. Do not operate in this condition!!

6. The scraper does not react when the mo-

tion control joystick is actuated.

See possible cause 5a and 5b

See remedy 5a and 5b

7. The hydraulic oil is very cloudy.  Excessive 

air in the circuit can cause severe dam-
age to pump. Stop machine and repair 
immediately!

a. Water has entered hydraulic tank

b. Oil is contaminated with dirt
c. Air  has entered the circuit

a. Repair tank if necessary. Drain and clean 

tank thoroughly. Change oil.

b.  Drain  and  clean  tank  thoroughly.                                       

Change oil.

c. Contact National Service Center

8. Excessive amount of oil on chassis.

a. Outside oil spilled on chassis

b. Loose hose connections
c. Loose tank 

fi

 ttings

a. Clean machine thoroughly and see if oil 

returns

b. Check for loose hoses
c. Check for loose 

fi

 ttings

9. Hydraulic oil and/or oil foam leaking from 

oil tank. Excessive air in the circuit can 
cause severe damage to piston pumps. 
Stop machine and repair immediately!

a. Oil level too high
b. Oil level too low
c. Vent in return 

fi

 lter blocked

d. Air getting into hydraulic circuit

a. Drain tank to correct level
b. Fill tank to correct level
c. Check for blockage
d. Check all suction lines. Tighten all hose 

connections and 

fi

 ttings.

31

Fax: 763-535-8255

[email protected]

Содержание 8000

Страница 1: ...Caution Read Manual Before Operating Machine PROPANE POWERED RIDE ON MACHINE RevA...

Страница 2: ......

Страница 3: ...ng Head Blades 15 Adjusting Slide Plate and Cutting Head 16 Blade Setting 17 19 Ditching 20 Blade Sharpening 20 Blades 21 23 Machine Maintenance 24 27 Slide Plate 24 Hydraulic Fluid Level 24 Hydraulic...

Страница 4: ...uction Assembly 43 Seat Adjuster 44 Seat Switch 44 Rear Frame Cover 44 Hood Bumper Assembly 44 Hood Support Parts 45 Dipstick Parts 45 Weights 46 Filter Parts 46 Drain Plugs 47 Motor Pod Assembly 47 L...

Страница 5: ...loor Adjustable Blade Adjustable blade pitch and angle Fork Lift Cups Easily accessible fork lift cups for easy loading and unloading Clyinder Adjustment Ability to adjust the height of the slide plat...

Страница 6: ...se Check for misalignment binding of moving parts improper mounting broken parts and other conditions that may affect operation If abnormal noise or vibration occurs turn off immediately and have the...

Страница 7: ...igh moisture conditions Make sure all electrical fittings switches cords plus stain reliefs are in good condition Always unplug when not in use and when doing any service work 5 Electrical Faulty wiri...

Страница 8: ...ow as 20ppm the presence of CO will change the impregnated silica color change from red to red brown and then to gray black as the concentration levels increase once the detector is exposed to fresh a...

Страница 9: ...defective Power on off switch should return to off when lever is released Turn ignition key to OFF position prior to performing maintenance Motor and switches should be completely enclosed at all time...

Страница 10: ...steer the machine They are feathered spool valves For smooth even movement always move levers slowly Fast movement on control levers will result in jerky uneven movement Move levers slowly Both levers...

Страница 11: ...ance besides raising the cutting head angle place blocks under the machine Figure E Never use the cutting head only SHUTDOWNMODE SHUTDOWNPROCEDURE TURNEDOFF 1 Move the 8000 to level ground 2 Turn off...

Страница 12: ...it can detect concentrations as low as 20 ppm The pres ence of CO will change the impregnated silica color change from red to red brown and then to gray black as the concentration levels increase Onc...

Страница 13: ...GLESAND CENTER OF GRAVITY ON PAGE 15 FORKLIFT CUPS There are two forklift cups mounted under the front of the machine See Figure L Slide fork lift forks through forklift cups Slide forks all the way b...

Страница 14: ...damage Use two or three luan or ply wood sheets approximately 68 8 cm 27 wide by 1 8 m 6 long Cover one side of the board with a thin a carpet With the carpet side to the floor place a board in front...

Страница 15: ...orks best for slippery slimy residue ie double stick Keep wheels clean and free of debris make sure it can move freely Clean as needed Inspect before each use To change wheels see Wheel Changing on pa...

Страница 16: ...steering lever is a straight and narrow handle rod This handle rod raises and lowers the front cylinder and is commonly referred to as the cutting head lever Next pull back on the cutting head lever...

Страница 17: ...the slide plate could cause machine damage and or bodily injury SWIVEL HEAD The swivel head keeps the blade in contact with the floor even when the floor is uneven When using a flat blade by swivelin...

Страница 18: ...a Shank Blade with a carbide tip WOOD SET UP Slide plate should be set low slide plate should be set to the lowest setting or approxi mately 2 5 cm 1 off the floor Use Shank Blades Shank Blades with...

Страница 19: ...0 3 to 35 5 cm 8 to 14 can be used with a Standard Blade Flip head regularly THIN COATING SET UP Slide plate could be set to the low or high setting off the floor Test to see which works best Use a Cu...

Страница 20: ...until the back bevel is completely leveled out NOTE Thinner blades are easier to sharpen but they also break easier Always wear gloves and safety glasses Grind blade using a 4 diameter disk with 120 o...

Страница 21: ...tough and long lasting Made from National s proven blade hardening process they perform up to ten times longer than the competition They work on attached cushion unitary or secondary backing vinyl ba...

Страница 22: ...mud set decorative concrete toppings and much more 7071 2 4 X 2 ANGLE SHANK BLADE 500 7071 3 4 X 3 ANGLE SHANK BLADE 500 7071 4 4 X 4 ANGLE SHANK BLADE 500 7071 6 4 X 6 ANGLE SHANK BLADE 500 PART DESC...

Страница 23: ...8 INCREASED ANGLE BLADE 062 PART DESCRIPTION THICKNESS IN INCREASEDANGLE BLADES FIGURE RR These blades are mainly used for VCT but can be used on most other applications They supply a greater angle w...

Страница 24: ...onnect machine from power 2 If a leak is detected tighten fitting with the proper wrench size DO NOT over tighten Over tightening could damage O rings 3 If a leak still persists remove fitting and rep...

Страница 25: ...ng head support 4 Remove clips and pin from cylinder and slide plate 5 Remove cylinder upper pin 6 Remove cylinder ENGINE CHANGE OUT 1 Disconnect motor from power 2 Lift hood and secure in place 3 Rem...

Страница 26: ...Drain into a container Wipe up spills immediately 5 Remove ten 10 1 2 wheel motor securing nyloc nuts 6 Pull out on wheel motor to remove WHEEL CHANGING FIGURE UU 1 Jack machine up by pushing the cyl...

Страница 27: ...d seat switch wires 9 Replace hood and screws CASTER MAINTENANCE 1 Keep clean and free of debris make sure it can move freely 2 Give a shot of grease in grease zerc on caster every six months to keep...

Страница 28: ...ve any sediment wipe clean and reinstall the assembly CHECK ENGINE OIL 1 Check engine oil level daily and before each operation 2 Make sure machine is on a level surface 3 Remove oil dipstick and wipe...

Страница 29: ...ean the electrodes by scraping or with a wire brush to remove carbon deposits and wetness 3 Inspect for cracked porcelain or other wear and damage Replace the spark plug with a new one if necessary 4...

Страница 30: ...intenance to be performed Interval Daily First 8 hrs Every 25 hrs Every 50 hrs Every 100 hrs Every 200 hrs Every 300 hrs Every 400 hrs Check and add engine oil check for loose fasteners Check for fuel...

Страница 31: ...l Service Center imme diately Do not operate in this condition 6 The scraper does not react when the mo tion control joystick is actuated See possible cause 5a and 5b See remedy 5a and 5b 7 The hydrau...

Страница 32: ...c Operator not seated properly a Change or fill fuel tank b Fill oil to proper level c Position on seat correctly 11 Red ignition light stays on a Oil is Low b Machine is overheating a Fill oil to pro...

Страница 33: ...BRACKET 1 47 75007 LAPEL CARBON MONOXIDE MONITOR 1 48 75008 LAPEL CARBON MONOXIDE CLIP 1 49 80058 BREATHER W 6 DIP STICK 1 50 400130 KAWASAKI MOTOR 1 51 400131 BOLT HEX HEAD 5 8 11X7 1 52 400132 HEX...

Страница 34: ...93 GASKET 1 124 6280 162G TANK MAGNET NOT SHOWN 1 125 6500 11 SLIDE PLATE DUAL LIFT CAST 1 126 70905 D7 DOUBLE GEAR PUMP 1 127 L106 PINCH POINT LABEL 3 128 L118 OPERATOR MUST BE SEATED LABEL 2 129 L1...

Страница 35: ...SIDE LEFT SILVER VEIN NOT SHOWN 1 6 401562 SV WRAP REAR LOWER SILVER VEIN 1 7 401563 SV HOOD RIDE ON SILVER VEIN 1 8 70627 BRACKET HORIZONTAL TANK 1 9 401798 HANDLE WLDT LH VALVE 1 10 401799 HANDLE W...

Страница 36: ...4 2 5 6 1 3 4 2 5 6 1 1 401669 COVER UPPER HOSE 1 2 401597 DOUBLE WHEEL CASTER ASSEMBLY 1 3 74854 WEIGHT POCKET CAST RIDE ON 10 4 5200 603 HOSE GUIDE 1 5 5110 180 FOOT PEG 1 6 400164 KNOB THREE LOBE...

Страница 37: ...GHT RIGHT 1 3 401962 BRACKET WEIGHT LEFT 1 4 73206 BOLT HEX HEAD 3 8 16X1 1 4 8 5 73207 NUT NYLOCK 3 8 16 4 6 73208 BOLT HEX HEAD CAP 3 8 16X1 1 2 4 7 401995 BOLT WIZLOCK 3 8 16 X 2 5 4 8 73203 WASHER...

Страница 38: ...11 SLIDE PLATE DUAL LIFT CAST 1 4 401429 LOWER CUTTING HEAD PIN 1 5 401876 SSS 3 8 24 25 2 6 401859 PIN UPPER CAST DUAL LIFT 1 7 5110 250 CYLINDER NN16 1 8 6500 30 PIN LOWER BACK 1 9 72801 FITTING 90...

Страница 39: ...TING 90 DEGREE 1 4 2 4 400132 BOLT HEX HEAD 1 2 13 X 4 1 5 73402 NUT NYLOCK 1 2 13 1 6 73536 PIN HITCH CLIP 5 8 2 7 5110 267 HOSE CYLINDER 1 8 5700 36 GUARD HOSE 2 9 73334 BOLT HEX HEAD CAP 5 16 18 X...

Страница 40: ...00 1 401632 HOSE WHEEL MOTOR HIGH PSI 4 2 5200 261 HOSE WHEEL MOTOR 2 3 5700 75 HOSE 12 5 2 1 401592 WHEEL MOTOR POCLAIN W BRAKE 2 2 5110 114 2 FITTING WHEEL MOTOR 6 3 5110 264 FITTING VALVE 45 DEGREE...

Страница 41: ...N QTY 1 75005 FIRE EXTINGUISHER 1 2 75006 FIRE EXTINGUISHER MOUNTING BRACKET 1 3 74406 10 32 X 3 8 PHILLIPS PAN HEAD MACHINE SCREW 4 4 74425 10 32 K LOCK NUT 4 PART DESCRIPTION QTY INSTRUCTION TUBE PA...

Страница 42: ...E GRAY 1 2 73406 BOLT HEX HEAD CAP 1 2 13X1 1 4 4 3 73424 WASHER FLAT ZINC SAE 1 2 NOT SHOWN 4 4 73403 WASHER SPLIT LOCK 1 2 NOT SHOWN 4 1 5600 80 HEAT DEFLECTOR 1 2 400280 HEAT BARRIER ADHESIVE BACK...

Страница 43: ...EEPER 1 2 5200QL 14A PIN BACK UP BEEPER 1 3 70712 SPRING COMPRESSION 151 A 1 4 73910 E CLIP 3 16 1 5 74517 SCREW PHILLIPS PAN HEAD MAC 6 32X1 2 6 74501 WASHER 6 FLAT SAE NOT SHOWN 1 PART DESCRIPTION Q...

Страница 44: ...401799 HANDLE RH VALVE 1 8 5700 54 HAND GRIP SLEEVE 2 9 5700 60 BLADE HANDLE 2 10 73020 WIZLOCK BOLT 1 4 20X5 8 4 11 73211 NUT FLANGE 3 8 16 4 12 73227 SET SCREW 3 8 24X1 4 13 73235 HEX JAM NUT 3 8 24...

Страница 45: ...one 763 315 5300 45 1 6280 221 HYDRAULIC MOTOR CONNECTOR 4 2 400034 FITTING FF1231 06 08 8 3 401834 HIGH PSI DUAL SPOOL VALVE 2 4 401853 HOSE PUMP TO VALVE RH HIGH PSI 2 5 401854 HOSE PUMP TO VALVE LH...

Страница 46: ...1574 PLATE SUCTION 1 2 5700 77 ASSEMBLY HOSE 2 3 70652 FITTING 3 4 70655 PIPE MALE 10 X 3 4 1 5 5110 237 FILTER SCREEN 2 6 400099 HOSE SUCTION 1 2 X 20 W FITTINGS 2 7 5700 93 GASKET 1 PART DESCRIPTION...

Страница 47: ...ALVE LEVER 4 1 401573 REAR FRAME COVER 1 PART DESCRIPTION QTY PART DESCRIPTION QTY SEAT ADJUSTER REAR FRAME COVER 1 2 2 1 1 5110 207 SWITCH SEAT 1 PART DESCRIPTION QTY SEAT SWITCH 1 2 3 1 73020 BOLT W...

Страница 48: ...ORT 1 2 400178 SHOULDER SHROUD HOLD UP BOLT 1 3 400189 ACORN NUT 3 8 16 1 4 401963 HOOD STRAP BODY SPACER 1 PART DESCRIPTION QTY HOOD SUPPORT 1 3 2 4 1 5110 234 RELIEF VALVE COUPLER 1 2 5110 234 1 REL...

Страница 49: ...1 PART DESCRIPTION QTY www nationalequipment com Phone 763 315 5300 FILTER 1 400197 FRONT WEIGHT 11 2 401484 RIGHT SIDE WEIGHT 1 3 401485 LEFT SIDE WEIGHT 1 4 401686 RISER PLATE WEIGHT 1 5 401960 SID...

Страница 50: ...nalequipment com 50 1 5110 157 PLUG DRAIN FILLER 2 1 6280 118 FITTING SUCTION HOSE TO PUMP 4 2 400182S MOTOR POD ASSEMBLY 25HP 1 3 5200QL 27 BASE MAIN 1 PART DESCRIPTION QTY PART DESCRIPTION QTY DRAIN...

Страница 51: ...8 DO NOT TOUCH LABEL 1 13 L319 BURNING HAZARD LABEL 1 14 L33B CAUTION MOVING PART LABEL 1 15 L33C INSTRUCTION MANUAL LABEL 1 16 L33D AUTHORIZED PERSONNEL ONLY LABEL 1 17 L37 CAUTION SHARP BLADES LABEL...

Страница 52: ...WARNING L142 US Patent Numbers 6 135 566 6 587 931 6 609 762 Patents Pending US Foreign L223 Patents Pending US Foreign L231 L314 WARNING LP GAS USED IN THIS MACHINE LIQUEFIED PETROLEUM GAS FLAMMABLE...

Страница 53: ...ULIC FLUID LEAK BY HAND WHILE MACHINE IS UNDER PRESSURE SERIOUS BODILY INJURY COULD OCCUR WARNING L95F 402059 AIR FILTER MUST BE KEPT CLEAN DANGER WARNING FAILURE TO DO SO WILL MAKE EMISSIONS DRAMATIC...

Страница 54: ...EEL ASSEMBLY 7050 15 Cutting Head Extension Extension for cutting heads to reach under tight areas CUTTING HEAD EXTENSION 7050 P Propane Tank PROPANE TANK Fax 763 535 8255 info nationalequipment com C...

Страница 55: ...6ROHQRLG JQLWLRQ 6ZLWFK UHHQ LJKW 5HG LJKW 1 77 3OXJ RQ DZDVDNL URXQG 67 62 67 1 5 5 8 5 2 7 2 7 03 5 HOORZ KLWH DFNXS ODUP 5 DFNXS ODUP 6ZLWFK 77 5 03 XVH 6 7 6 7 5 5 5 5 5 5 RXU 0HWHU URXQG www nat...

Страница 56: ...imit Symp toms of respiratory irritation may include coughing and difficulty breathing FIRST AID MEASURES Eye No specific first aid measures are required As a precaution remove contact lenses if worn...

Страница 57: ...0 106 Flamable and Combustable Liquids National Fire Protection Association NFPA 77 Recom mended Practice on Static Electricity and or the American Petroleum Institute API Recommended Practice 2003 Pr...

Страница 58: ...ay be refined by various processes including severe solvent extractio severe hydrocracking or severe hydrotreating None of the oils requires a cancer warning under the OSHA Hazard Communication Standa...

Страница 59: ...d by the National Fire Protection Association NFPA or the National Paint and Coating Association for HMIS ratings LABEL RECOMMENDATION Label Category INDUSTRIAL OIL 1 IND1 REVISION STATEMENT This revi...

Страница 60: ...Fire Extinguisher MSDS 60 Fax 763 535 8255 info nationalequipment com...

Страница 61: ...Fire Extinguisher MSDS Continued 61 www nationalequipment com Phone 763 315 5300...

Страница 62: ...Fire Extinguisher MSDS Continued 62 Fax 763 535 8255 info nationalequipment com...

Страница 63: ...Fire Extinguisher MSDS Continued 63 www nationalequipment com Phone 763 315 5300...

Страница 64: ...Fire Extinguisher MSDS Continued 64 Fax 763 535 8255 info nationalequipment com...

Страница 65: ...Fire Extinguisher MSDS Continued 65 www nationalequipment com Phone 763 315 5300...

Страница 66: ...Fire Extinguisher MSDS Continued 66 Fax 763 535 8255 info nationalequipment com...

Страница 67: ...lable to the purchaser Correction of defects in the manner and for the period of time described herein shall constitute complete fulfillment of all liabilities and responsibilities of National to the...

Страница 68: ...9250 Xylon Avenue N Minneapolis MN 55445 U S A Toll free 800 245 0267 Phone 763 315 5300 Fax 800 648 7124 Fax 763 535 8255 Web Site www nationalequipment com E Mail info nationalequipment com...

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