Troubleshooting – Pengo DT-5 User Manual
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Two Speed (DT & RT) Series Manual
In the event your Pengo Drive Unit malfunctions or does not appear to have enough speed or power, please refer to the
section below to identify the cause of the problem and possible remedy. If the problem persists, contact your Authorized
Service Dealer for assistance.
SLOW SPEED (RPM) OR INSUFFICIENT DIGGING POWER:
• Low oil fl ow / Obstructed oil fl ow.
Check prime mover pump. Check for faulty pressure relief valve.
• Auger Drive is too large for machine.
Review Drive Unit specs. Contact your Authorized Service Dealer.
• Check auger and teeth for excessive wear.
Replace worn auger components.
NO OUTPUT ROTATION:
• Quick release couplers not engaged.
Check coupler connection.
• Quick release coupler faulty.
Replace faulty coupler(s).
• Hydraulic oil tank is low.
Fill oil tank to maximum level.
• Planetary gear failure.
Contact your Authorized Service Dealer.
• Machine oil pump failure.
Refer to prime mover manual.
• Insuffi cient oil fl ow.
All two speed models require a min of 20 GPM to operate.
BAIL HOUSING LEAKING OIL:
• Hose(s) of Fitting(s) leaking.
Tighten or replace.
• Motor O-ring failure.
Replace damaged O-ring.
OUTPUT SHAFT LEAKING OIL:
• Output shaft seal damaged.
Replace seal.
• Seal not sealing in the housing.
Replace seal or use a sealant on OD of seal.
• Bolts are loose.
Tighten Bolts.
AUGER / ANCHOR BIT WILL NOT ENGAGE OR DIG:
• Auger bit is worn or damaged.
Replace cutting head or entire auger bit.
• Drive Unit speed is too fast.
Reduce speed (rpm) to allow bit to engage ground.
• Anchor not installing vertically.
Level Drive unit. Allow Drive unit to hang freely.
NO TORQUE:
• Oil pressure is too low.
Review Drive unit pressure requirements.
• Drive unit too small for parent machine.
Review Drive Unit specs. Contact your Authorized Service Dealer.
• Hydraulic system is overheating.
See the “Oil Overheating” section below.
HYDRAULIC OIL OVERHEATING:
• Oil pressure is too low.
Set relief valve to machine specifi cations.
• Hydraulic line is restricted.
Inspect and repair.
• Auger continually stalling.
Limit down pressure used.
• Hydraulic oil tank is low.
Fill oil tank to maximum level.
• Oil passing over relief valve.
Check for a faulty relief valve.
• Prime Mover is too small.
Attach Drive Unit to larger prime mover.
• Dirty or contaminated oil.
Replace prime mover hydraulic oil and oil fi lters.
DRIVE WILL NOT SHIFT:
• Drive will not shift during operation.
Sequence valve is not working properly. Check for plugging or damage.
Ensure PSI setting on prime mover is set higher then seq valve setting.
Lower PSI setting on sequence valve.
TROUBLESHOOTING