NAKAYAMA Ns Series Spray Pump Owner’s Manual

: June 4, 2024
: NAKAYAMA

Table of Contents

NAKAYAMA Ns Series Spray Pump
Operation Instruction
Pump Lubrication
Troubleshooting
Main Description
PARTS
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NAKAYAMA

NAKAYAMA Ns Series Spray Pump

NAKAYAMA-Ns-Series-Spray-Pump

Attention!
To keep the sprayer perfect in performance, please follow the instruction printed in this page.

Operation Instruction

Check every fastener and make sure that the sprayer and the motor are installed firmly on the frame.
Set the two pulleys in a straight line, and the belt in an appropriate tightness.
Every joint of the hoses must be tightened to prevent from leaking.
Before starting the motor, shut off the (55) Cock (Valve) , loose the (57) Pressure Adjusting Screw and pull the (70) Pressure Adjuster to the top.
Start the motor to power sprayer, keep a proper revolution. Press the (70) Pressure Adjuster to the bottom. Keep the pressure around 21-35Kgs by adjusting the (57) Pressure Adjusting Screw.
Open the (55) Cock (Valve) to start spraying.
After the spraying is over, pull the (70) Pressure Adjuster to the top and operate the sprayer with fresh water to clean out the remaining chemicals.

Pump Lubrication

Replace the engine oil after the sprayer has been used for the first 10 hours, 50 hours, and thence every 70 hours.
Drain away the dirty engine oil by screwing off the (14) Drain Plug.
After the (14) Drain Plug is screwed on, remove the (2) oil Inlet Cover and refill #30-40 clean engine oil.
Keep the oil level at 2 / 3 of the (13) oil Gauge.
Always fill the (34) Grease Cups with grease. Screw on the (34) Grease Cups 2-3 cycles every 2 hours of spraying.

Troubleshooting

Feeding Failure & Pressure Instability

Check whether the (87) Suction Hose is leaking or is stuck.
Open the (55) Cock (valve) to release the surplus air.
Remove the (43) Suction Chamber and the (49) Water Outlet Chamber check if the (37) Valve Assembly are stuck or damaged.

Pressure Insufficiency

Check whether the pressure has been adjusted properly. (Refer to the operation instruction No. 5)
Check whether the belt is too loose.
Check whether the Spray Hose and the couplings are broken and damaged.

Cylinder Leakage.

Remove the (23) Gland cover and wind up the (29) Adjusting Rings.
If still in vain, replace the (32) V-packings in the (35) Cylinder.

The manufacturer reserves the right to make minor changes to product design and technical specifications without prior notice unless these changes significantly affect the performance and safety of the products. The parts described / illustrated in the pages of the manual that you hold in your hands may also concern other models of the manufacturer’s product line with similar features and may not be included in the product you just acquired.
Please note that our equipment has not been designed for use in commercial, trade or industrial applications. Our warranty will be voided if the machine is used in commercial, trade or industrial businesses or for equivalent purposes.
To ensure the safety and reliability of the product and the warranty validity, all repair, inspection, repair or replacement work, including main-tenance and special adjustments, must only be carried out by technicians of the authorized service department of the manufacturer.