Symptom

Possible cause

Corrective measure

Oil leak

Unit was tilted in transit

Overfilled reservoir

Loose hydraulic fittings

Loose lock ring in ram block

Worn ram “O” ring seals

Stabilize; clean up spill

Remove excess

Tighten

Tighten

Loss of pressure

Loss of hydraulic oil

Hydraulic oil leak; check fittings and seals to determine source

Defective hydraulic pump

Replenish with item 46#

Tighten fittings

Hydraulic pump inoperative

Disconnected wire/connector

Defective relay

Defective hydraulic pump

Reconnect

Ram does not move but pump is operative

Worn ram “O” ring seals

Contact customer support

Ram travels to maximum height but pump does not disengage

Defective proximity switch

Contact customer support

Ram travels to maximum down position but pump does not disengage

Ram remains stationary in one position with all other functions working properly

Defective proximity switch

Hydraulic oil bypassing ram “O” rings and wiper ring in the lower block assembly

Contact customer support

Contact customer support