Graco 309015B, Руководство по конструкции

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25 309015
Troubleshooting (cont.)
Problem Cause Solution
System does not vent properly Vent valve malfunction
Injector malfunction
Too many injectors on branch line
Supply line too small
Grease too viscous
Vent line on pump module blocked
Timer pause interval too short
Repair or replace vent valve
Repair or replace injector
Reconfigure branch line to correct
Install supply line with larger diameter
Use lighter grease, NLGI #0 or lighter
for cold temperatures
Remove obstruction or replace line
Increase pause interval
Lubricant dispensed from pres-
sure relief valve System pressure set too high Decrease power supply pressure to
pump
Pump runs too fast Reservoir out of lubricant
Lubricant cavitation
Leak in system
Fill reservoir
Install a follower plate
Repair leak
Pump runs without building pres-
sure Leak in distribution system
Faulty vent valve seat
Repair leak
Replace needle and seat
Lubricant coming out of breather Reservoir overfilled Drain lubricant until overflow stops
Pump will not start No air or hydraulic supply
Solenoid valve malfunction
No electrical supply to timer
Timer malfunction
Pump malfunction
Turn on air or hydraulic supply
Replace solenoid valve
Turn on electrical supply
Refer to Timer Manual 308950
Refer to Pump Manual 308955 or
309098