WycoTool Hydraulic Paving Vibrators - Manual (Page 8)

TROUBLE SHOOTI G CHART
Wyco Tool Company
Trouble Possible Causes Solutions
Vibrator not running 1) Required oil flow and pressure not supplied 1) Supply required oil flow and pressure
2) Failed bearings 2) Replace eccentric bearings per Chapter 4,
Section c
3) Hydraulic motor locked up 3) Replace hydraulic motor per Chapter 4,
Section e
Vibrator running slow 1)Vibrator head full of oil 1) Replace hydraulic motor shaft seal per Chapter 4,
Section d and bearings per Chapter 4, Section c
2) Required oil flow and pressure not supplied 2) Supply required oil flow and pressure; Check
pressure setting on relief valve
3) Hydraulic motor worn internally 3) Remove and replace hydraulic motor
Oil found in protective hose 1) Hydraulic hose connections loose near vibrator 1) Check NPT threads, apply Teflon tape and tighten
2) Hydraulic hose or hose fittings damaged 2) Replace damaged hose or hose fittings
3) Hydraulic motor shaft seal leaking and seal 3) Replace hydraulic motor shaft seal per Chapter 4,
around outside of motor also leaking Section d and replace seal on outside of motor
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