Koshin SEY-50D Operation Manual
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Koshin SEY-50D Operation Manual

Diesel engine pump
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Table of Contents

Thank you for purchasing this product.
· Read this manual carefully before using the
product.
· Store the manual once you have finished read-
ing it.
· Those who do not understand the content of
this operation manual should not operate the
product.
· If you lend this product to another person, ex-
plain how to use the product and instruct them
to read the operation manual carefully.
Please note that the illustrations and content in
this operation manual may differ to the actual
product due to changes to the specifications.
DIESEL ENGINE
PUMP
OPERATION MANUAL
SEY-50D, SEY-80D, SEY-100D
STY-50D, STY-80D, STY-100D
KTY-50D, KTY-80D, KTY-100D
CONTENTS
INTRODUCTION
NAME OF PARTS ................................................ 2
SAFETY PRECAUTIONS .................................... 4
OTHER PRECAUTIONS ..................................... 6
PREPARATION
PREPARATIONS FOR STARTING ..................... 7
HOW TO USE THE PRODUCT
AFTER USING THE PRODUCT ........................ 14
LONG-TERM STORAGE .................................. 21
INSPECTION AND MAINTENANCE
TROUBLESHOOTING ...................................... 22
OTHER ITEMS
SPECIFICATIONS ............................................. 24
PERFORMANCE CARVE ................................. 27
SPAREPARTS ................................................... 27
19-05 012323301(ENG)

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Summary of Contents for Koshin SEY-50D

  • Page 1: Table Of Contents

    DIESEL ENGINE PUMP OPERATION MANUAL SEY-50D, SEY-80D, SEY-100D STY-50D, STY-80D, STY-100D KTY-50D, KTY-80D, KTY-100D CONTENTS INTRODUCTION NAME OF PARTS ..........2 SAFETY PRECAUTIONS ........4 OTHER PRECAUTIONS ........6 PREPARATION PREPARATIONS FOR STARTING ..... 7 PREPARATIONS FOR PUMP OPERATION ..10 HOW TO USE THE PRODUCT STARTING THE ENGINE AND PUMP ....

  • Page 2: Name Of Parts

    NAME OF PARTS ■ Centrifugal pump (Hidels pump), Semi-trash pump Priming water filler cap Fuel filler cap Fuel tank Discharge port Muffler Fuel gauge Frame Suction port Water drain plug Decompression lever Air cleaner Recoil starter handle Speed control knob Long bolt (Semi-trash Water pump pump only) Oil filler cap / dipstick Diesel engine Oil drain plug...
  • Page 3 NAME OF PARTS ■ Trash pump (KTY-50D) Priming water filler cap Fuel filler cap Fuel tank Discharge port Fuel gauge Muffler Suction port Frame Water drain plug Decompression Air cleaner lever Recoil starter handle Speed control knob Water pump Oil filler cap / dipstick Diesel engine Oil drain plug ■ Trash pump (KTY-80D, KTY-100D) Priming water filler cap Fuel filler cap Fuel tank...

  • Page 4: Safety Precautions

    SAFETY PRECAUTIONS Read these safety precautions carefully before using the product. The cautions shown here are for using the product correctly and to prevent hazards and injury to those using the product and other people. ■ Injuries and hazards that may occur if the displayed content is ignored and the product is used incorrectly are categorized as "DANGER", "WARNING", and "CAUTION". All cat- egories are important for safety, so always follow them. DANGER Content for which it is considered highly likely a person will die or be seriously injured.
  • Page 5 SAFETY PRECAUTIONS WARNING PREVENTING FIRES PREVENTING BURNS Never add fuel to the fuel tank while the · Never touch the muffler, muffler cover or engine is running. Wipe away all fuel spills engine body while the engine is running with a clean cloth. Keep gasoline, kerosene, or hot. matches, other explosives and flammable OTHER SAFETY ITEMS away from the product, since the tempera-...

  • Page 6: Other Precautions

    OTHER PRECAUTIONS While the engine is still new, applications of heavy loads may shorten the life of the engine. During the first 20 hours, follow the break-in procedures. 1. Avoid overloads During break-in period, avoid applying heavy loads before the engine is stabi- lized. 2. Change engine oil regularly About one month or 20 hours after initial starting and every 3 months or 100 hours thereafter, change the engine oil while the engine is still warm.

  • Page 7: Preparations For Starting

    PREPARATIONS FOR STARTING 3. Do not overfill Selection and Handling of Fuel Oil Overfilling is dangerous. With the engine 1. Selection of fuel oil level, do not fill the tank beyond the top Use the most suitable diesel fuel oil for of the indicating ring (red) inside the fuel the engine. tank filter. 2. Keep dust and water out of the fuel Fuel filler cap Indicating ring (red) When filling the fuel tank from drums, make sure no dust or water are mixed in with the fuel since this may lead to serious fuel injection pump and nozzle problems.
  • Page 8 PREPARATIONS FOR STARTING Fill the oil up to the mouth of the filler port WARNING with tne engine placed on the level. Refuel in a well ventilated area with the engine stopped. Also check that the en- SEY-50D / SEY-80D / SEY-100D / gine has sufficiently cooled. STY-50D / STY-80D / STY-100D / KTY-100D KTY-50D KTY-80D Do not smoke or allow flames or sparks Engine 0.8 L 1.1 L 1.6 L in the area where the engine is refueled capacity or where fuel is stored. Do not overfill the tank and make sure the filler cap is securely closed after re- Upper level (H) fueling. Be careful not to spill fuel when refue- Lower level (L) ling. If any fuel is spilled, make sure the...
  • Page 9 PREPARATIONS FOR STARTING Servicing the Air Cleaner 1. Loosen the wing nut, detach the cover of the aircleaner and remove the ele- ment. CAUTION Do not wash the air cleaner element with detergent. Replace the element if output falls or a bad exhaust color is noticed. Never run the pump without an air clean- er element. Sand or foreign matter is prone to getting inside the engine, which may hasten engine wear and tear. 2. Reattach the cover of the air cleaner and tighten the wing nut. Air cleaner cover Wing nut...

  • Page 10: Preparations For Pump Operation

    PREPARATIONS FOR PUMP OPERATION Different accessories are suitable for different · Pump failure will occur if the suction models. Please check connection diameter strainer is not properly fitted. and install correct parts. The strainer keeps the size of the suspended solids entering the pump 2) Hose nipple to the predetermined size the pump has 3) Coupling packing...

  • Page 11: Starting The Engine And Pump

    STARTING THE ENGINE AND PUMP 1. Put the engine speed control knob on NOTICE the "RUN" position. "Run" and "High" · Make sure to lower the decompression are the same position. lever and then pull the recoil starter How to use the speed handle. Not doing so may cause engine control knob. failure. Engine faults caused by not using Rotate the decompression lever are not covered by the warranty.
  • Page 12 STARTING THE ENGINE AND PUMP 6. Wait for a while (for 2–3 minutes) until Checks during Operation water is discharged. If no water is dis- WARNING charged, perform the following actions. · Remove the cap and add priming water. Never refuel the engine while it is run- ning or when it is hot even if the engine is stopped. Priming water NOTICE · Beware of water hammering Do not allow any vehicle to run over the Priming water filler cap discharge hose.

  • Page 13: Stopping The Engine And Pump

    STOPPING THE ENGINE AND PUMP 1. Cooling-down before stopping the en- 3. Slowly pull out the recoil handle until gine, turn the engine speed knob to the pressure is felt (that is, to the point in "SLOW" position and turn the engine the compression stroke where the in- for about three (3) minutes. take and exhaust valves are closed), and leave the handle in this position. CAUTION This prevents rust from forming while the Reduce the load slowly when stopping engine is not in use. the engine. Do not stop the engine sud- denly since this may cause the tempera- ture to rise abnormally. 2. Turn the engine speed control knob to the "STOP" position. Speed control knob WARNING If the engine continues to run even if the speed control knob is in the "Stop" posi- tion, stop the engine by loosening the nut...

  • Page 14: After Using The Product

    AFTER USING THE PRODUCT 1. Drain water after use · After use, remove the drain plug at the bottom and pour water from the suction / discharge ports so that the remaining sand is forced out of the pump. If the pump is used to transfer muddy water over a long period of time, a large vol- ume of sand will be piled up in the pump casing, making it difficult to remove the front cover.

  • Page 15: Periodic Checks And Maintenance

    PERIODIC CHECKS AND MAINTENANCE To keep the engine in good condition and CAUTION durable for a long time, periodic checks and After the pump has been used clean the maintenance are very important. pump immediately with a cloth to pre- The chart below indicates what checks to vent corrosion or to remove sediment. make and when to make them. Always use the specified parts. The use The mark (●) indicates that special tools and of replacement parts which are not of...
  • Page 16 PERIODIC CHECKS AND MAINTENANCE ○:Check ◊:Replace ●:Contact your authorized dealer for these maintenance services. Periodic maintenance interval System Check item Daily Every Every Every Every Every Every 1000 1500 2000 hours hours hours hours hours hours ○ Check engine oil level and Before add engine oil as necessary operation ◊...
  • Page 17 PERIODIC CHECKS AND MAINTENANCE How To Change the Engine Oil Change the Air Cleaner Element Remove the oil filler cap and drain plug and Do not wash the air cleaner element with drain the old oil while the engine is still warm. detergent because this is wet type (L48N). The plug is located on the bottom of cylinder Clean the filter every 100 hours (L70N / block. 100N) Tighten the drain plug and refill with the recommended oil. (See the section under Every 6 months or 500 hours Change (or earlier if dirty)
  • Page 18 PERIODIC CHECKS AND MAINTENANCE 11.Reconnect the fuel supply and return Drain the FueI Tank and Replace Fuel Filter lines to the tank with clamps. DANGER 12.Fill the fuel tank with fuel and inspect for leaks. Repair or replace compo- Always wipe up all spills immediately. nents as necessary. Diesel fuel is flammable and explosive un- der certain conditions. Store any containers containing fuel in a well-ventilated area, away from any combustibles or sources of ignition. Wipe up all spills immediately and never use a shop rag to catch spilled fuel. 1. Position an approved container under the fuel tank to collect the fuel.
  • Page 19 PERIODIC CHECKS AND MAINTENANCE Cleaning the Inside of the Pump Casing Check hose at suction side Check suction hose. In case of no suction or Remove debris from impeller. small discharge, the cause is usually due to (Do not remove the impeller unless replacing air leakage at suction side. In such case: parts.) 1. Remove suction hose.
  • Page 20 PERIODIC CHECKS AND MAINTENANCE 4. Please check if rubber / gasket packing NOTICE is installed and if there is any hole and · Please do not hammer an impeller direct- crack in suction hose. ly when you want to take it out from the machine. It might damage the impeller. Instead, take out the cap first and then insert something like a stick which is thin Hole and crack Flat / crushed Suction hose...

  • Page 21: Long-Term Storage

    LONG-TERM STORAGE When storing the pump for long periods, 5. Wipe the oil and dirt from the engine make the following preparations. and store in a dried place. 1. Fill the pump with clean water and run 6. Remove the drain plug on pump and the engine for about 2 minutes at low drain water from pump fully. speed. 2. Stop the engine. Drain the engine oil while the engine is still warm and fill with new oil. Water drain plug 7. Always keep the outside of the water pump clean. Oil filler cap / dipstick Oil drain plug Storage Condition 3. Push the decompression lever down (non-compression position) and hold it ·...

  • Page 22: Troubleshooting

    TROUBLESHOOTING SYMPTOM POSSIBLE CAUSE(S) CORRECTIVE ACTION Replace fuel. If there is no improvement, Old fuel repair engine Rusting inside engine Repair Burn out of engine Repair Cannot pull or hard to pull recoil starter handle Blocked impeller Dismantle & clean the impeller Debris at impeller Dismantle &...
  • Page 23 TROUBLESHOOTING SYMPTOM POSSIBLE CAUSE(S) CORRECTIVE ACTION Engine speed / rpm is too low Repair Damage to mechanical seal Replace mechanical seal (Repair) Wrong suction hose used Use suction hose correctly Pump does not prime wa- Use the product with water that is 40 °C The atmospheric or water temperature is too hot (104 °F) or lower Clogged strainer Clean strainer...

  • Page 24: Specifications

    SPECIFICATIONS Product Diesel engine pump Model SEY-50D SEY-80D SEY-100D Category Self-priming, Centrifugal pump (Hidels pump) Consistensy Clear water Suspended solid percentage Applicable liquids Max. solids size 5 mm (0.19 ") 7 mm (0.27 ") 9 mm (0.35 ") Temperature 5 °C – 40 °C (41 °F – 104 °F) Tank size 13 L (3.43 USG)
  • Page 25 SPECIFICATIONS Product Diesel engine pump Model STY-50D STY-80D STY-100D Category Self-priming, Semi-trash pump Consistensy Sandy and muddy water (suspended solids) *1 Suspended solid percentage 10 % *2 Applicable liquids Max. solids size 8 mm (0.31 ") 9 mm (0.35 ") 9 mm (0.35 ") Temperature 5 °C –...
  • Page 26 SPECIFICATIONS Product Diesel engine pump Model KTY-50D KTY-80D KTY-100D Category Self-priming, Trash pump Consistensy Sandy and muddy water (suspended solids) *1 Suspended solid percentage 25 % *2 Applicable liquids Max. solids size 20 mm (0.78 ") 27 mm (1.06 ") 27 mm (1.06 ") Temperature 5 °C –...

  • Page 27: Performance Carve

    PERFORMANCE CARVE SEY / STY series ■ Centrifugal pump (Hidels pump), Semi-trash pump (SEY / STY series) (USG/min) (ft) SEY/STY-50D SEY/STY-80D SEY/STY-100D 1000 1200 1400 Discharge volume (L/min) KTY series ■ Trash pump (KTY series) (USG/min) (ft) KTY-50D KTY-80D KTY-100D 400 600 800 1000 1200 1400 1600 1800 Discharge volume (L/min) NOTICE · Performance ratings are guaranteed minimum, not inflated maximum.
  • Page 28 TEL.: +81-75-953-2499 FAX.: +81-75-954-6119 E-mail: info@koshin-ltd.co.jp 12 Kami-Hachinotsubo Kotari, Nagaokakyo City, Kyoto 617-8511 JAPAN...

This manual is also suitable for:

Sey-80dSty-50dSey-100dSty-100dSty-80dKty-50d ... Show all

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