Parker F11 series Guía

Bulletin MSG30-5511-M1/UK

Service/Spare Parts

Series F11

Eective: March, 2023

Supersedes: February, 2022

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Bulletin MSG30-5511-M1/UK

2Parker Hanniﬁn

Pump & Motor Division Europe

Trollhättan, Sweden

Service Manual/Spare Parts

Series F11

Basic formulas for hydraulic motors

Torque (M)

M= [Nm]

D x ∆p x ηhm

Power (P)

P = [kW]

q x ∆p x ηt

600

D – displacement [cm3/rev]

n – shaft speed [rpm]

ηv – volumetric eciency

∆p – dierential pressure [bar]

(between inlet and outlet)

ηhm – mechanical eciency

ηt – overall eciency

(ηt = ηv x ηhm)

Conversion factors

1 kg 2.20 lb

1 N 0.225 lbf

1 Nm 0.738 lbf ft

1 bar 14.5 psi

1 l 0.264 US gallon

1 cm30.061 cu in

1 mm 0.039 in

1°C 5/9(°F-32)

1 kW 1.34 hp

Conversion factors

1 lb 0.454 kg

1 lbf 4.448 N

1 lbf ft 1.356 Nm

1 psi 0.068948 bar

1 US gallon 3.785 l

1 cu in 16.387 cm3

1 in 25.4 mm

1 °F 9/5°C + 32

1 hp 0.7457 kW

Torque (M)

M = [Nm]

Basic formulas for hydraulic pumps

Flow (q)

q = [l/min]

Power (P)

P = [kW]

D x n x ηv

1000

D x ∆p

63 x ηhm

q x ∆p

600 x ηt

D – displacement [cm3/rev]

n – shaft speed [rpm]

ηv –volumetric eciency

∆p – dierential pressure [bar]

(between inlet and outlet)

ηhm – mechanical eciency

ηt –overall eciency

(ηt = ηv x ηhm)

Flow (q)

q = [l/min]

D x n

1000 x ηv

3Parker Hanniﬁn

Pump & Motor Division Europe

Trollhättan, Sweden

Service Manual/Spare Parts

Series F11

Bulletin MSG30-5511-M1/UK

Content Page

General Information................................................................................... 4

Cross section............................................................................................. 4

Speciﬁcation.............................................................................................. 5

Preparation................................................................................................ 6

Tools required............................................................................................ 6

Disassemble F11 .................................................................... ............ 7 – 10

Assembly F11.....................................................................................11 – 15

Torque .................................................................................................... 16

Barrel retaining ring............................................................................17 – 19

Test procedur............................................................................................20

Cavitation ......................................................................................... 21 – 24

Split view F11......................................................... ................................. 25

Part speciﬁcation F11 ............................................................................... 26

F11 spare part list............................................................................. 27 – 32

How to select spare part guide........................................................... 33 – 39

Bulletin MSG30-5511-M1/UK

4Parker Hanniﬁn

Pump & Motor Division Europe

Trollhättan, Sweden

Service Manual/Spare Parts

Series F11

General information

F11 is bent axis, ﬁxed displacement

heavyduty motor/pump seris. They can

be used in numerous applications in

both open and closed loop circuits.

Series F11 are available in ISO, CETOP,

SAW and SAE versions.

The F11 series are available in sizes 5,

6, 10, 12, 14 and 19 cc.

Thanks to the unique spherical piston

design, F11 motors can be used at

unusually high shaft speeds. Operating

pressures to 420 bar provides for the

high output power capability.

The 40° angle between shaft and cylin-

der barrel allows for a very compact,

lightweight motor/pump.

The laminated piston ring oers im-

portant advantages such as low inter-

nal leakage and thermal shock resis-

tance.

The pump version has highly engine-

ered valve plates for increased selfpri-

ming speed and low noise, available

with left and right hand rotation.

The F11 motors produce very high tor-

que at start-up as well as at low speeds.

Our unique timing gear design synch-

ronizes shaft and cylinder barrel, ma-

king the F11 very tolerant to high ’G’

forces and torsional vibrations. Heavy

duty roller bearings permit substantial

external axial and radial shaft loads.

The F11’s have a simple and straight-

forward design with very few moving

parts, making them very reliable mo-

tors/pumps.

The unique piston locking, timing gear

and bearing set-up as well as the limi-

ted number of parts add up to a very

robust design with long service life

and, above all, proven reliability.

General Information

F11 cross section

1. Piston

2. Shaft

3. Cylinder barrel

4. Valve plate

5. Ring gear

6. Tapered roller bearing

7. Shaft seal

5Parker Hanniﬁn

Pump & Motor Division Europe

Trollhättan, Sweden

Service Manual/Spare Parts

Series F11

Bulletin MSG30-5511-M1/UK

Speciﬁcations

1) Intermittent: max 6 seconds in any one minute.

Frame size F11 -005 -006 -010 -012 - 014 -019

Displacement [cm3/

rev]

4.9 6.0 9.8 12.5 14.3 19.0

Operating

pressure [bar]

max intermittent1) 420 420 420 420 420 420

max continuous 350 350 350 350 350 320

Motor operating

speed [rpm]

max intermittent 1) 14000 11200 11200 10300 9900 8900

max continuous 12800 10200 10200 9400 9000 8100

min continuous 50 50 50 50 50 50

Max pump

selfpriming speed

4600 -4200 3900 3900 3500

Motor input ﬂow

max intermittent1) 69 67 110 129 142 169

max continuous 63 61 100 118 129 154

Drain temperature,

max [°C]

115 115 115 115 115 115

min [°C] -40 -40 -40 -40 -40 -40

Theoretical torque

at 100 bar [Nm]

7.8 9.5 15.6 19.8 22.7 30.2

Mass moment of

inertia

(x10-3) [kg m2]

0.16 0.39 0.39 0.40 0.42 1.1

Weight [kg] 4.7 6.5 6.5 7.5 7.5 11

Bulletin MSG30-5511-M1/UK

6Parker Hanniﬁn

Pump & Motor Division Europe

Trollhättan, Sweden

Service Manual/Spare Parts

Series F11

Preparation

Before disassembling motor:

• Always keep work space clean

• Always use correct tools

• Make documentation and take

photos if required

• Only use standard spare parts

from Parker

Tools required

• Retaining ring tool, internal and

external

• Hex key

• Screw driver

• Plier

• Plastic hammer

• Mandrel

• Hook tool

• Torque wrench

• Brush

• Hydraulic press

Preparation, Tools required

7Parker Hanniﬁn

Pump & Motor Division Europe

Trollhättan, Sweden

Service Manual/Spare Parts

Series F11

Bulletin MSG30-5511-M1/UK

Disassemble F11

1. Remove the key with a plier. 2. Untighten the screws.

3. Disassemble the retaining ring. 4. Remove the back up ring.

Disassembling

Bulletin MSG30-5511-M1/UK

8Parker Hanniﬁn

Pump & Motor Division Europe

Trollhättan, Sweden

Service Manual/Spare Parts

Series F11

Disassemble F11

5. Remove the shaft seal carefully with

screw driver and hammer.

6. Remove the bearing housing by tapping

carefully underneath with hammer.

7. Carefully remove the shaft package

from housing.

8. Remove all pistons.

Disassembling

9Parker Hanniﬁn

Pump & Motor Division Europe

Trollhättan, Sweden

Service Manual/Spare Parts

Series F11

Bulletin MSG30-5511-M1/UK

Disassemble F11

9. Remove shims and guide spacer. Screw

driver can be used carefully.

10. Remove the O-rings from the guide

spacer.

11. Remove the cylinder barrel by holding

the housing as shown on picture and

gently tap to work bench.

12. Remove the valve plate with a hook

tool or retaining ring tool carefully.

Disassembling

Bulletin MSG30-5511-M1/UK

10 Parker Hanniﬁn

Pump & Motor Division Europe

Trollhättan, Sweden

Service Manual/Spare Parts

Series F11

Disassemble F11

13. Tap the locker ring. 14. Untighten the round nut and remove

locker rings.

15. Place the shaft package on a tube so

it’s standing on the ring gear. Press the

shaft o the bearings. Use some soft

material when the shaft fall out.

Disassembling

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