Den-Sin C-250E - Maintenance and Troubleshooting; Maintenance Schedule; Machine Prevention

3. Maintenance and Troubleshooting
C-250E R14 Page 12
3. Maintenance and troubleshooting
Maintenance Schedule
Regular Service
Period as
indicated
Each
use
1
st
50hrs
Every
month /
Every
500hrs
When
needed
Procedure / Remarks
Check pump oil
level
• Top up if necessary.
Change pump oil
Recommended Oil :
SAE 15W40
Usage :
Approx. 0.4kg of
oil
Renewal of oil:
• Turn off High Pressure Cleaner.
• Loosen bolt(Hex) at bottom of pump housing.
• Drain oil into a waste oil-tray.
• Tighten bolt(Hex)
• Add oil through pump inlet on top of the pump
until the red point of the oil control glass has
been reached.
Notice:
Do not dispose of used oil in drain.
Cleaning of
machine
• Use damp cloth to wipe the cabinet and handle
bar.
Notice:
Do not use detergent cleaning chemicals
Cleaning of
motor fan
( to ensure sufficient
airflow )
• Clean the motor fan cover.
• Clean the motor fan blade.
Do NOT operate the machine with damaged or
removed fan cover.
Machine Prevention
Do
Don
’
t
Action
Cause
Spray directly onto the machine with high
pressure water
Electrical shock may occurs
Operate the machine with damaged or removed
fan cover
Motor will be overheated and malfunction
Operate/keep machine with frost built up
Flush pump with antifreeze fluids before use.
Check hose and cord are not vehicle run over
by heavy or
squeezed
in door opening
May cause machine not function properly.
Check electrical cord and high pressure hose
for wear and cracks
To prevent electrical shock and safety to the user
Ensure coupling parts free of dirt to ensure
long life of O-ring seals preventing water leaks.
Extend life span of the pump seals and
maintaining correct pressure.