Tokheim TQP-HS - Excessive Noise Diagnosis

TQP-HS for Fuel Dispensers Component Technical Manual
Page 3-8 Document Ref 942005-001 Rev 2
3.2.5 EXCESSIVE NOISE
Replace belt
NO
YES
NO
YES
YES
Pressure adjustment
(refer to section 4.1)
NO
NO
Check gear pump
YES
Decrease
temperature
Increase fuel level
(refer to section 4.6)
EXCESSIVE
NOISE
Has the belt drive
slackened?
Noise inside
pump?
Check the pump
motor fan
Find noise origin
Outlet pressure
>2.5 bar in bypass
mode (refer to
section 4.1)
Cavitation
noise?