Dramm HYDRAG-ST100 Benutzerhandbuch - Seite 17

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1. Hydra Spraytrax Cart Parts and Assembly Diagram

This power sprayer troubleshooting section shows how to diagnose and resolve problems that

may occur in the course of normal operation. If you experience a problem, take the steps

indicated for the applicable diagnosis. When you can't determine the cause of a problem or

if you have any difficulty, please feel free to contact your nearest dealer or this company's

sales office. Please have the following information ready: 1. Model designation 2. Serial

number 3. Description of problem (What happened? What were you doing when it

happened? What were the conditions when it happened?) For items marked with *, please

request adjustment or repair from your nearest dealer or from this company's sales office.

Do not change the setting of the screw that is under the cap on the top of the

WARNING:

pressure regulator knob. This screw absolutely must not be changed, since that will raise the

pressure above rated specifications, damage the machine, and possibly cause injury.

ROBLEM

• Suction is Low or Absent

–Up to Suction Port

–Suction & Pressure

Parts (Cylinder Part)

–Pressure Regulator

Part

• Pressure Will Not Increase

–Suction & Pressure

Part

–Pressure Regulator

Part

Hydra SprayTrax Manual

Troubleshooting

AUSE

• Suction strainer is blocked

with debris

• Suction hose is damaged or

crooked

• Suction hose connector

gasket is bad

• Connection is bad

• Debris is stuck in inlet or

discharge valve

• Inlet or discharge valve is

assembled improperly

• Inlet or discharge valve is

damaged or worn

• Discharge valve spring is

damaged

• Piston packing is damaged

• O-ring is damaged

• Seal & packing are

damaged

• Pressure regulator valve

lever in is RUN position

• Pressure regulator is stuck

• Insufficient liquid supplied to

intake

• Pressure regulator valve ball

or valve seat damaged

• Pressure regulator valve rod

is bad

• Pressure regulator valve

spring bad

• Pressure regulator valve

spring is damaged or weak

EMEDY

• Clear and clean

• Repair or replace

• Connect properly

• Clean

• Assemble properly

• Repair or replace

• Replace

• Return lever to START position

• Disassemble & clean

• Diagnose under (1)

• Replace

• Adjust or replace

• Repair or replace

• Replace