14
TROUBLESHOOTING
Refer “Exploded View (Oil ratio pump
3:1
)”
PROBLEM
POSSIBLE CAUSE
CORRECTIVE ACTION
Pump operates, but does not
dispense media at all
Media viscosity is too high
Make sure that media used has a viscosity of SAE 130 or lower
Drum is empty
Media level inside the drum may be too low. Refill the drum
Pump inlet is blocked
Remove suction tube & clean strainer at pump inlet
Low inlet air pressure
Increase the air pressure to at least 30 psi (2 bar)
Pump not working / less
discharge
Low inlet air pressure
Increase the air pressure to at least 30 psi (2 bar)
Nylon slider (27) is jammed /
over tight
a. Check for any build-up edge on Clip (28) & tighten it again.
Make sure the movement of Nylon Slider (27) is neither very
loose nor very tight
b. If needed, replace Nylon Slider (27). Also replace the Paper
Seal (24), Seat (25) & Slider Guide (26) to ensure best fitting
Plunger rod (9) / connecting rod
(43) / piston (53) jammed.
a. Remove suction tube. Disconnect Air Motor Assembly from
Pumping Section by removing the upper Slotted Spring Pin
(46) from Connector (47)
b. Supply input air to Air Motor. If it works properly without the
barrel assembly, then the problem lies with the pumping
section. Otherwise check the Air Motor for smooth
movement
c. After locating the faulty section, check the respective
Piston / Plunger & the associated washers & seals for any
overlap or wear & tear. Replace the defective parts
d. Ensure to replace the moving parts having close
tolerances (such as Nylon Slider (27) & Seat (25) as a SET to
ensure the best fitting
Pump continues to operate even
after the trigger of dispensing
gun has been released
Leakage in the assembly
a. Check all the connections to ensure they are air tight. Use
thread sealant.
b. Check O rings & seals for damage. Replace the defective
parts
Media comes out through the
air exhaust valve (23)
Media leaks into the air motor
Check Slider Guides (38), O Rings (11) & (37), Seals (39) & Seal
Support (40) for wear & tear. Replace the damaged parts
Air passes directly from inlet
to the outlet and pump does
not work
Nylon slider (27) is jammed /
over tight
a. Check for any build-up edge on Clip (28) & tighten it again.
Make sure the movement of Nylon Slider (27) is neither very
loose nor very tight
b. If needed, replace Nylon Slider (27). Also replace the Paper
Seal (24), Seat (25) & Slider Guide (26) to ensure best fitting
Discharge suddenly stopped
while the pump was running
Seals / O-rings damage
Check all seals / O-rings and replace the damaged parts
Chip / other foreign particles
get clogged at dispensing gun /
discharge outlet
Clean all foreign particles / chips
Clogging of filter tube (60)
Open Filter Tube (60), clean it & reassemble it properly
DISPOSAL
The components or the used products must be given to companies that specialize in the disposal and
recycling of industrial waste.
Содержание ATD-5226
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