Commercial Hydraulic Pump

Commercial hydraulic pump repair - 303 9113 687
gears, bearings and thrust plate
showing heat damage
Commercial hydraulic pump - inspection
Part number 303 9113 687

The pump was dismantled and all parts inspected.  The following parts were showing signs of excessive heat damage:-

gear housing - grooved
gears - discoloured and damaged
bearings - worn
thrust plate - scorn and blackened.

The pump was uneconomical to repair.

Commercial hydraulic pump repair - 303 9113 687
gear housing - grooved (damaged)
Commercial hydraulic pump repair - 303 9113 687
gears fitted in port end cover - damaged











A new pump was assembled to customer's specifications, using the following parts:-

Commercial hydraulic pump 303 9113 687
Commercial hydraulic pump
391 2185 012 Thrust plate
391 2882 051 Strip seal
391 2884 021 Gasket seal
391 0381 059 Bearing
391 2585 009 Ring seal
391 2686 065 Snap ring
391 0381 077 Outboard bearing
391 3681 035 Check plug
391 2883 103 Shaft seal
391 2082 032 Dowel
391 1432 004 Drive screws
391 2181 999 Name plate
313 5037 202 Shaft end cover
313 3120 100 Port end cover
313 2925 250 Gear set
313 8225 100 Gear housing
391 3784 028 Washers
391 1401 095 Studs

The newly assembled hydraulic pump was tested on our in-house test rig.

P&R Hydraulics Ltd is an official distributor for Parker Hannifin (formerly known as Commercial Intertech) and can supply all of the above items individually or assembled as a hydraulic pump.

For information on hydraulic repairs, services and inspections, please contact our Service Department on tel: 01603 424880




Hydraulic Winch Attachment

Sauer Danfoss hydraulic motor OMSS80 151F0535
hydraulic system
A Manitou hydraulic winch attachment was brought to our workshop for inspection because the hydraulic system was leaking.

The hydraulic motor (Danfoss OMSS80 151F0535) was removed from the winch assembly.

The motor was dismantled, all parts cleaned
 and inspected.

hydraulic winch attachment
hydraulic winch attachment
An incorrect shaft seal was found to be the problem.  So a new seal kit was fitted.

The hydraulic motor was reassembled, tested and re-attached to the hydraulic winch assembly.

The hydraulic winch assembly was tested.

P&R Hydraulics Ltd can perform hydraulic repairs - please contact our Service Department on tel 01603 424880 for more details.