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KYOEISHA HAMMER KNIFE MOWER Service Manual 2005...
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Introduction This service manual explains the specifications and maintenance procedures for our Hammer Knife Mower, HMA1560/HMA1720. Notes 1. This manual was prepared in January 2005. Its contents are subject to change for improvement without notice. 2. Carefully read “Owner's Handling Manual” and understand the contents well to ensure safety during maintenance and repair.
CONTENTS 1. Specifications 2. Maintenance schedule Hammer knife P.17 3. List of major power transmission parts Engine 4. Wiring diagram 5. Electrical equipment Electrical equipment 5-1. Electrical equipment box 5-2. Fuse box 6. Hydraulic circuit and equipment 7. Maintenance of each part 8~17 7-1.
5. Electrical equipment 5-1. Electrical equipment box 5-2. Fuse box Location Alarm buzzer Oil pressure lamp Fuel gauge and water temperature gauge Step changeover switch Fan control unit Control timer unit Charge lamp Safety switch Solenoid valve Fuel pump Fusible link installation position Spare fuse Spare fuse Fuse puller...
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Hydraulic pump Relief valve Traveling piston pump Protection of gear pump Hydraulic equipment driving gear pump Flow priority Solenoid valve Flow dividing valve Control of direction of cooling fan rotation (flow volume control valve) Valve unit Solenoid valve . Mowing height adjustment control Control of brake in traveling motor (Up/down of hammer knife) .
7. Maintenance of each part 7-1. Hydraulic system A. Hydraulic tank D. Traveling motor (MAG motor) The tank is at the front of the center 0.35 L of gear oil is in the speed of the machine. The oil filler port and reducer of the traveling motor.
7-2. Engine A. Engine oil change C. Engine oil gauge Drain engine oil through the drain A saber type oil gauge is used for the hose near the crawler at the left side machine. of the machine. Keep the drain hose inserted in the holder usually when engine oil change is not necessary.
7-3. Fuel system/radiator A. Water sedimenter D. Fuel filter Primary fuel filter Tertiary fuel filter When the red float at the bottom of Air bleeding is automatically the cup rises, water is mixed with the conducted by the engine itself, but fuel.
7-4. Air cleaner/battery A. Air cleaner D. Cleaner cover and urethane It is atop the hydraulic tank at the The air cleaner cap consists of these front of the machine. The cover is at parts shown in the photo. the left side of the machine. Check that the machine is in the Pay attention to the installation condition shown in Photo C before...
7-5. Step A. Step C. Horizontal sensor (Analog sensor, Slope Eye 30) It is a simple riding unit provided at the back of the machine. It is at the front of the disc at the center. The electric cylinder is at the right side of the disc at the center.
7-7. Adjustment and detachment of rubber crawler A. Stretching the rubber crawler C. Detaching the rubber crawler Supply grease to the grease nipple of After loosening the rubber crawler, the grease cylinder at the back of the jack up the machine and lift the rubber crawler to tension the crawler.
7-8. Adjustment of the neutral position of piston pump A. Adjustment of neutral position Traveling lever . When the machine will not stop even if the traveling lever is released, adjust the neutral position in the manner shown below. Secure the machine so that the rubber crawlers at right and left will be lifted above the ground, and release the side Neutral stopper brake.
7-9. Greasing of friction parts Apply grease to respective joints in good time to prevent rusting. Supply grease every 50 hours to grease nipples. A. Greasing section . Tensioning section [3 locations] . Crawler section [26 locations] . Operation lever & parts relating to the neutral position [8 locations] .
7-10. Hammer knife The knife shaft is rotating at high speed, and slight loss of balance will cause substantial vibration. Machine operation with loss of balance may cause an unexpected accident or failure. Maintain the knife shaft most carefully. B. Protective device A.
8. Troubleshooting 8-1. Engine trouble The engine will not start. Is the knife clutch disengaged? Disengage the knife clutch. See page 10 of the handling manual. (The starter motor does not work.) Are respective fuses normal? Change fuses. See pages 4 and 5 of this manual. Is the battery output normal? Charge or replace the battery.
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The engine starts, but it stops. Is the emergency switch Attach correctly. See pages 4 and 6 of the handling manual. (It stops in approx. 5 seconds.) attached correctly? Is the quantity of the engine oil Supply / replenishment See page 9 of this manual. as specified? Is the fan belt normal? Set the belt again.
8-2. Traveling system trouble The machine will not run Is the quantity of hydraulic oil Supply/replenishment See page 8 of this manual. even if it is operated. as specified? Is the V-belt normal? Resetting/replacement See page 13 of this manual. Failure of brake release solenoid valve See page 6 of this manual.
8-3. Hammer knife trouble The attachment will not rises Is the fuse normal? Replacement of fuse See pages 4 and 5 of this manual. or lowers Are respective connections See page 4 of this manual. Reconnection of wiring normal? See page 10 of the handling manual. Is the mowing height Replacement of switch adjustment switch normal?
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The attachment lowers Are respective connections Reconnection See page 4 of this manual. but it does not rise. of wiring normal? See page 10 of the handling manual. Is the mowing height Replacement of switch adjustment switch normal? See page 4 of this manual. Is the inside of knife frame Cleaning Be careful of the knife blade during cleaning...
8-4. Overheating Is the quantity of cooling Overheating occurs frequently. Water supply/replenishment See page 10 of this manual. water as specified? Are the radiation fins of the Exercise care so as not to damage Cleaning radiator free from clogging? the radiation fins during cleaning. Is the cooling fan Inspection of hydraulic See pages 4 and 6 of this manual.
9. Checklist Symbol of judgment ..: Normal ; : Adjustment/correction ; : Repair/replacement Model Machine No. Operating time Performance date Operating time Performance date Operating time Performance date Operating time Performance date Operating time Performance date Memo Item Judgment...
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