Harper HK 4400 Operator'S Manual Download Page 9

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HK4400

SAFETY WARNING!

Do not leave Turf Vac unattended, or

attempt any service or inspection unless

the machine has come to a complete stop

and the engine has been shut off.

Machine Display Identification

1. High Engine Temperature –

illuminates

when the engine temperature exceeds 221° F

(105° C). If this indicator is illuminated, STOP

operation immediately and turn machine

OFF. Inspect the radiator screen and radiator

for debris. If debris is found, remove debris

and restart machine to allow the engine to

cool properly. Do NOT operate machine until

the temperature returns to normal operating

temperature. If illuminates repeatedly, further

technical troubleshooting is necessary.

2. Oil Pressure Indicator –

illuminates when

oil pressure is below 7 psi (48 kPa). Turn the

machine OFF immediately if this indicator is

illuminated.

3. Glow Plug Indicator –

illuminates when

the ignition switch is in the pre-heat position

and the glow plugs are activated. The pre-

heat electrical circuit includes a glow lamp

timer that controls the indicator. Once the in-

dicator turns off, the machine is ready to start.

4. Neutral Indicator –

illuminates when the

machine is in neutral.

5. Park Brake Indicator –

illuminates when

the park brake is applied.

6. Battery Indicator –

illuminates when the

battery has low voltage.

7. Low Hydraulic Oil Indicator –

illuminates

when hydraulic oil is low in the hydraulic tank.

An alarm also sounds when the hydraulic oil

is low. Turn the machine OFF immediately if

this indicator is illuminated and alarm sounds.

Ensure that there are no leaks and fill hydrau

lic tank with hydraulic oil before restarting

machine.

8. High Temperature Hydraulic Oil Indica-

tor –

illuminates when the hydraulic oil tem-

perature exceeds 190° F. If this light illumi-

nates, STOP operation of machine and turn

machine OFF. Clean debris from radiator/oil

cooler and screen. Then restart machine to

allow the hydraulic oil to cool properly. If this

light illuminates repeatedly, further technical

troubleshooting is necessary.

9. Fuel Gauge –

displays fuel level in fuel

tank.

10. Engine Temperature Gauge –

displays

engine coolant temperature.

11. Machine Hours –

Records and displays

machine hours.

12. Battery Gauge –

displays level of battery

voltage.

Summary of Contents for HK 4400

Page 1: ...HK4400 HK 4400 7 2020 OPERATOR S MANUAL SWEEPER Serial Number 20A01 Part 301012 ...

Page 2: ...HK4400 ...

Page 3: ... your dealer or Harper Industries Inc for clarification SAFETY WARNING ALL SHIELDS AND GUARDS MUST BE IN PLACE FOR PROPER AND SAFE OPERATION OF THIS EQUIPMENT WHERE THEY ARE SHOWN REMOVED IN THIS MANUAL IT IS FOR PURPOSES OF ILLUSTRATION AND INSTRUCTION ONLY DO NOT OPERATE THIS EQUIPMENT UNLESS ALL SHIELDS AND GUARDS ARE IN PLACE WARNING Breathing diesel engine exhaust exposes you to chemicals kno...

Page 4: ...ing but not limited to consequential labor costs or transportation charges in connection with replacement or repair of defective parts This warranty does not apply to parts subjected to misuse abuse alteration improper or inadequate maintenance or normal wear including belts battery chains filters paddles and brush Engines are not covered under this warranty Refer to manufacturer s warranty for sp...

Page 5: ...ons Safety Locks Operation Before Operation Operation Operating Machine Sweeping Performance After Operation Storage Maintenance Hydraulic System Grease Zerk Locations Air Cleaner Cooling System Engine Compartment Engine Oil Fuel Components Fuse Relay Panel Deck Maintenance Service Hopper Maintenance Tow Procedure Park Brake Release Opening the By Pass Valve Tie Down Locations for Transport Serial...

Page 6: ...sed parking brake on all wheels Main Frame Welded and formed steel frame Tire and Wheels Front 24x9 5 12 Litefoot 4ply Rear 24x12 12 Litefoot 4ply Compaction Front 10 psi 69 kPa Rear 9 psi 62kPa Steering Power steering with automotive type steering wheel tilt steering Controls Hydraulic lift lower of debris hopper Hydraulic open close of debris hopper door Hydraulic raise lower of sweeping mechani...

Page 7: ...ing the hopper as the top can reach approx 134 in 340 cm Deck Transition stationary shielding that surrounds the deck and provides a seal be tween the hopper and deck Sweeper Deck contains rotating sweeping rotor and paddle that moves material from the ground to the hopper Engine Diesel Kubota V1505 E4B 24 8 HP Hopper stores up to 3 3 cubic yards 2 57 cu m of material Always empty hopper at end of...

Page 8: ... may not be needed if the engine is already warm Transport Speed HI LO ALWAYS SWEEP WITH TRANSMISSION IN LOW Use high range when traveling between operations Park Brake ON OFF set park brake when unit is not in use or is parked on an incline Make sure park brake is disengaged before operation Throttle Control adjust engine speed with throttle Start at low throttle allow engine to warm up then oper...

Page 9: ...e indicator Once the in dicator turns off the machine is ready to start 4 Neutral Indicator illuminates when the machine is in neutral 5 Park Brake Indicator illuminates when the park brake is applied 6 Battery Indicator illuminates when the battery has low voltage 7 Low Hydraulic Oil Indicator illuminates when hydraulic oil is low in the hydraulic tank An alarm also sounds when the hydraulic oil ...

Page 10: ...deck See instructions in the safety lock section Hopper Identification 1 Hopper Lift Cylinders used to raise and lower the hopper 2 Hopper Lift Safety Locks used to se cure the hopper in UP position Safety locks are located on both lift cylinders and should be used anytime a person is below the hop per See instructions in the safety locks sec tion 3 Pilot Operated Check Valves included in both the...

Page 11: ... are removed re place them immediately Decal locations and part numbers are identi fied in the parts manual and can be obtained from your local Harper Dealer If you replace parts that have such decals attached to them make sure the decals are replaced with current versions and are on the replacement parts before the machine is operated again Diesel Fuel Always use an approved container for transpo...

Page 12: ...em before repairing adjusting or disconnecting Wear proper hand and eye protection when searching for leaks Use wood or cardboard instead of hands when looking for leaks Keep all components in good repair Do not use any type of heat welding soldering cutting torch etc near pressurized lines Safety Interlocks Wiring Logic To start the machine it must be in neutral and the deck rotor and paddle must...

Page 13: ...actor is running 9 Read manual before starting operating machine 10 Safety alert symbol 11 Do not use hook for lifting machine 12 Secure lifting cylinder with locking device before getting into hazardous area 13 Crushing of toes or foot Force applied from above 14 Electrical shock electrocution Safety Decals If safety related or instructional decals become illegible or are removed replace them imm...

Page 14: ...them make sure the decals are replaced with current versions and are on the replacement parts before the machine is operated again Safety Symbol Locations 12 5 6 7 10 REAR VIEW 8 10 5 10 13 1 1 2 3 10 11 10 14 4 9 10 8 10 12 5 6 7 10 2 10 5 10 13 8 10 12 1 2 3 10 ...

Page 15: ...in the down position as shown in the picture below Hopper Lift Cylinders Safety Lock Secure the hopper in the UP position when working or standing below the hopper Install cylinder safety lock to the hopper lift cylinders located on each side of the machine as shown in the picture below Hopper Door Safety Lock Secure hopper door in OPEN position when working inside the hopper or below the hopper d...

Page 16: ...ing Height Park on level ground Start the machine and raise the deck using the LH lever located on the console Secure the deck using the deck lift safety locks Adjust gauge wheel to desired height The deck height is set from the factory in the middle hole of both the tube and the rod At this setting a new brush will contact the surface To adjust the brush to be more aggres sive raise the gauge whe...

Page 17: ... during operation Starting the Machine Use the preheat position of the ignition switch until the glow plug indicator on the machine display turns OFF Preheating is not necessary if the engine is already warm Turn the machine to the right to start For the engine to start it must be in neutral and the deck rotor paddle must be OFF During Operation In the event of an emergency turn the key to the OFF...

Page 18: ...te the lift cylinder located on the rear side of the deck The deck lift cylinder is attached to a pivot link that allows the deck to float with the contour of the ground When the deck is lowered hold the lever a few more seconds to ensure that the deck is in the float position A deck height indicator is located on the front RH side of the deck so that the operator can easily view the deck height F...

Page 19: ...lay to ensure proper temperature and fluid levels Tipping Angle Never operate the machine on an incline greater than 20 Never raise the hopper on an incline greater than 10 Accessing Paddle If the paddle becomes plugged or needs cleaned see instructions in Maintenance section to access paddle Sweeping Performance The Harper Hawk HK4400 has superior per formance when sweeping and collecting the fol...

Page 20: ...F 110 F and it con tains a kinematic viscosity rating around 46 cSt at 40 C 1cSt 1mm s Mobil DTE 25 Mobil DTE 15M Amoco Rykon Premium Oil ISO 46 Chevron Rykon Premium Oil ISO 46 Conoco Hydroclear AW MV 46 Exxon Univis N 46 Pennzoil AWX MV 46 Shell Tellus T 46 Texaco Rando HDZ 46 Monitor the needle in the filter indicator when the oil is at normal operating temperature every 100 hours The filter pa...

Page 21: ... above To access steering cylinder pivot the seat for ward by releasing the spring pins located at the rear of the seat as shown in the pictures below 19 Air Intake Air Filter HOPPER LIFT LINKAGE PINS GREASE EVERY 50 HRS 6 ZERKS ON EA SIDE HOPPER DOOR CYLINDER GREASE EVERY 50 HOURS 2 ZERKS ON EACH SIDE GAUGE WHEELS GREASE EVERY 16 HOURS 1 ZERK ON GAUGE WHEEL ON EA SIDE STEERING CYLINDER GREASE EVE...

Page 22: ...radiator level daily and only when engine is cool and not running Remove cap radiator fill slowly to relieve any pressure that may be built up Fill up radiator with coolant 50 wa ter 50 antifreeze until coolant is vis ible in neck of radiator Coolant capacity 2 25 gal 8 5 L Make sure that the coolant recovery bottle has at least 1 of coolant in bottom The presence of coolant in the recovery bottle...

Page 23: ...re located below the fuel tank These components can be accessed through the frame cutouts between the two rear tires 21 Fuel Filter Fuse Relay Panel Located under operators console through the access door Refer to the parts section for electrical schematic and other electrical components Deck Maintenance Service Liner Inspection The deck assembly and deck transition assembly both include bolt on r...

Page 24: ...f the paddle rotor for damaged seals or excessive movement of the shaft contained by the bearing NOTE The deck liner is easier to inspect and replace with the paddle shield and chute assembly folded backwards Re install all shields and parts re moved before operating machine Brush The brush is approximately 12 in 30 cm diameter when it is new As it wears the overall diameter will be reduced Replac...

Page 25: ... replace the chain when chain elongation has reached 3 chain has become damaged or im proper flex of chain is found Checking for elongation with the chain set at the proper tension count 12 pins on the roller chain and measure the center to center distance between the first and last pin When new this measurement is 5 50 13 97 cm When this measurement is greater than 5 66 14 37 cm the chain should ...

Page 26: ...debris as needed To move the machine without the engine running the park brake must be released and the bypass valve must be opened on the propulsion pump Park Brake Release Each wheel motor contains a park brake that is mechanically applied and hydraulically released When the engine is OFF the park brakes are applied to all wheel motors PRECAUTION Towing or pushing the unit with the park brakes a...

Page 27: ...e pressure Opening the By Pass Valve The by pass valve is located on the bottom side of the propulsion pump that is directly coupled to the engine The valve can be accessed below the engine compartment The by pass connects the ports A B and must be used only in case of emergency and only for moving machine short distances PRECAUTION By pass valve is intended for moving a machine for very short dis...

Page 28: ...stalled load the machine with the hopper facing forward Machine Serial Number Located on the LH side of the operator seat Engine Serial Numbers Engine model and serial number are stamped in the engine block on the starter side of the engine Serial number decal is located on top of the engine Propulsion Pump Serial Numbers Located on front side of the propulsion pump Front Wheel Motor Serial Number...

Page 29: ...lue All lugnuts should be torqued to 147 ft lbs 199 N m Standard Torque Chart Service Parts Filters Part Engine Air Filter 802064 Engine Oil Filter 302058 Fuel Filter Cannister 302057 Fuel Filter In line 822044 Belts Engine Fan Belt 802063 Wheels and Tires Front Wheel 302125 Front Tire 302127 Front Wheel Tire Assembly 305083 Rear Wheel 302126 Rear Tire 302128 Rear Wheel Tire Assembly 305084 Replac...

Page 30: ...isually inspect tires to ensure proper inflation no damage Every 50 Hours Change Engine Oil Filter After initial 50 hours change engine oil every 200 thereafter Change Inline Fuel Filter After initial 50 hours change filter P N 302103 every 200 thereafter Check Tire Pressure Inflate all tires to 20 psi 138 kPa Check of Fuel Pipes Clamps See Kubota Manual for details Check Lug nuts Torque to 147 ft...

Page 31: ... AW46 See Maintenance section for details Check Battery Clean terminals if necessary Every 500 Hours Replace Engine Fan Belt P N 802063 Replace Cannister Fuel Filter P N 302057 Every 1500 Hours Check fuel injection nozzle injection pressure See Kubota Manual Change Hydraulic Oil Crown AW46 See Maintenance section for details Every 3000 Hours Check Fuel Injection Pump Every Two Years Change Engine ...

Page 32: ...HK4400 NOTES Harper Industries Inc 151 E Highway 160 Harper KS 67058 Website www harperindustries com Telephone 620 896 7381 Toll Free 800 835 1042 Fax 620 896 7129 E mail info harperindustries com ...

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