8
THE OILGEAR COMPANY
Bulletin 947070-B
For detailed dimensions, contact your Oilgear Representative.
* Weight with rear port valve plate and without maximum volume stop.
Table 3. Nominal Dimensions and Weights.
Refer to installation drawings for more detailed dimensions and port configurations.
Unit
Length
Width
Height
Weight*
Face Mounting
inches
mm
inches
mm
inches
mm
lbs.
kg
PVM-011
7.95
201,9
7.28
184,9
6.63
168,4
37.5
17,0
SAE "A" 2 Bolt
PVM-014
PVM-022
PVM-025
9.51
241,5
9.00
228,6
8.88
225,6
73.0
33,1
SAE "B" 2/4 Bolt
PVM-034
PVM-046
PVM-065
10.00
254,0
9.03
229,4
8.88
225,6
75.0
34,0
SAE "B" 2/4 Bolt
PVM-075
PVM-064
11.91
302,5
10.73
272,5
10.45
265,4
136.0
61,7
SAE "C" 2/4 Bolt
PVM-076
PVM-098
PVM-130
TROUBLESHOOTING
PROBLEM
CAUSES
REMEDY
Unresponsive or
Sluggish Control
Plugged stability orifice (OP2).
Inspect. Clean out if contaminated.
PC control cartridge (55) damaged.
Inspect components. Replace.
Swashblock saddle bearings (30) worn or damaged.
Control piston (19) or sequence spool (54) binding in bore.
Control piston spring (20) broken, sequence valve spool spring
(53) broken.
Insufficient Pump
Volume
High load sense differential pressure.
Verify that load sense differential pressure is less than
pump control setting.
PC control cartridge damaged, stuck open.
Inspect. Clean out if contaminated. Replace if
necessary.
Delivery limited by stroke limiter screw (70).
Adjust stroke limiter CCW.
Obstructed suction circuit or insufficient supercharge volume.
Inspect for obstruction and verify supercharge.
Insufficient drive motor speed.
Check drive speed.
Worn or grooved cylinder barrel (38) and/or port plate (43) mating
surfaces.
Inspect components. Replace.
Worn or damaged piston shoe or swashblock (29).
Worn or sticking control piston (19).
Port plate not seated against valve plate.
Worn hydrobearing (35).
Worn or broken saddle bearing (30).
O-rings leaking on plug (84) or control cartridges (55) or (83).
Worn or damaged piston and shoe assemblies (39) or piston
bores in cylinder (38).