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Improper operation can cause serious 
injury or death. 

Pre-operation 

 

This  attachment  is  designed  to  generate  continuous 
hydraulic flow to run attachments mounted on the front 
of  a  tractor  only.   

NEVER

  use  this  machine  for  any 

other purpose.

 

 

Read the operators manual for the “Tractor”.

 NEVER

 

allow untrained people to operate.

 

 

Operating  instructions  must  be  given  to  everyone 
before operating this attachment and at least once a 
year thereafter in accordance with OSHA regulations. 

 

NEVER

  exceed  the  maximum  recommended  input 

power  or  speed  specifications  for  the  attachment. 
Over-powering or over-speeding the attachment may 
cause personal injury and/or machine damage.  

 

NEVER 

use  machine  with  an  attachment  that  is 

heavier  than  the  rated  lift  capacity  of  the  tractor.  
Instability can lead to serious injury or death.  

 

Keep all shields, guards, and covers in place. 

 

Do not modify equipment or add attachments that are 
not approved by Erskine Attachments LLC.

 

 

Use  adequate  safety  warning  lights  and  devices  as 
required by local regulations. Obey all local laws and 
regulations  regarding  machine  operation  on  public 
property. 

 

Only  use  attachment  with  a  tractor  equipped  with  a 
Roll Over Protection System (ROPS) and seatbelt. 

Operation 

 

Avoid loose fitting clothing.  Clothing caught in moving 
parts may lead to serious injury or death. 

 

To  protect  the  operator  from  hearing  loss,  ear 
protection  is  required  unless  the  tractor  is  equipped 
with a noise reduction cab that meets OSHA 1910.95 
standard. 

 

Hydraulic  connections  may  be  hot  after  use.    Use 
gloves if connecting or disconnecting after use. 

 

 
 
 
 
 

 
 

 

 

 

 

SAFETY 

 

 

Operation

 

 

Check  and  be  sure  all  operating  controls  are  in 
neutral before starting the engine.  

 

Keep people away from tractor and attachment when 
in use. 

 

NEVER

 operate near embankments or terrain that is 

so steep that rollover could occur.  

 

Always  stay  in  the  operator  position  with  seatbelt 
fastened when using the attachment. 

 

Before  leaving  the  operators  position,  disengage 
PTO drive, stop engine, set park brake, and wait for 
all motion to stop. 

 

NEVER

  place  hands  near  attachment  while 

engine is running.

 

Avoid High Pressure Fluids Hazard 

 

Escaping  fluid  under  pressure  can 
penetrate the skin causing serious injury. 

 

Avoid  the  hazard  by  relieving  the 
pressure before disconnecting hydraulic 
lines. 

 

Use  a  piece  of  paper  or  cardboard,  NOT  BODY 
PARTS,  to  check  for  suspected  leaks.    Wear 
protective  gloves  and  safety  glasses  or  goggles 
when  servicing  or  performing  maintenance  on 
hydraulic systems. 

 

If an accident occurs, see a doctor immediately.  Any 
fluid  injected  into  the  skin  must  be  surgically 
removed within a few hours or gangrene may result. 

 

Maintenance 

 

NEVER

  make  adjustments,  lubricate,  clean,  or 

perform  any  service  on  the  machine  while  it  is  in 
operation. 

 

Make  sure  the  attachment  is  serviced  on  a  daily 
basis.    Improper  maintenance  can  cause  serious 
injury  or  death  in  addition  to  damage  to  the 
attachment and/or your equipment. 

 

 

Summary of Contents for HP35

Page 1: ...Commercial High Flow Hydraulic Power Unit HP35 For Tractors with 80 150 PTO HP 540 RPM input speed Operator s Manual Set Up Assembly Maintenance Parts Information Read this Manual Before Use ...

Page 2: ...TY 19 NOTE Erskine Attachments LLC reserves the right to make improvements in design or changes in specifications at any time without notice and without incurring any obligations to install them on units previously sold TABLE OF CONTENTS REFERENCE INFORMATION Write the correct information for your attachment in the spaces below Always refer to this serial number when calling for service or parts S...

Page 3: ...ds CAUTION WARNING or DANGER are used to indicate hazards Indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury Indicates a potentially hazardous situation which if not avoided could result in death or serious injury Indicates a potentially hazardous situation which if not avoided will result in death or serious injury The word IMPORTANT is used in...

Page 4: ...ring loss ear protection is required unless the tractor is equipped with a noise reduction cab that meets OSHA 1910 95 standard Hydraulic connections may be hot after use Use gloves if connecting or disconnecting after use SAFETY Operation Check and be sure all operating controls are in neutral before starting the engine Keep people away from tractor and attachment when in use NEVER operate near e...

Page 5: ...tant to refer to the serial number of your attachment when making repairs or ordering parts Early or later models identification made by serial number may use different parts or it may be necessary to use different procedures in doing a specific operation A C B SERIAL PLATE E D ...

Page 6: ... sides of tank Quantity 2 Part Number 423956 Location Left side of tank Quantity 1 Safety Decal Locations The locations of the safety decals are shown If these decals are missing damaged or painted over they must be replaced Call Erskine Attachments LLC 218 435 4045 for replacement decals Large Brand Decal Location Rear of frame Quantity 1 A B C Part number 200001 Location Left side of tank Quanti...

Page 7: ...ocation to match the hitch category of your tractor The inner set of ears are CAT II and the outer set are CAT III 4 The top pin has two positions The pin should be mounted in the top hole when connecting the tractor top link directly to the tank The pin should be mounted in the bottom hole when connecting to the tank using a quick hitch system NOTE Additional bushings may be needed on the upper a...

Page 8: ...ing and sliding it There are three different positions available each 2 apart NOTE It may be necessary to reposition or remove the drawbar to prevent interference with the driveline See the tractor s operator s manual for instructions 4 Route the lead hoses over the rear axle under the tractor cab and along the loader arms Use plastic cable ties to mount the hoses to the tractor frame and loader a...

Page 9: ...nd rated for a minimum of 40 amps 6 Connect the rear set of hydraulic quick couplers to the lead hoses and the cooler fan wire harness to the cooler fan connector IMPORTANT Make sure the quick couplers are fully engaged If couplers will not engage do not force quick couplers together NOTE Attachment is shipped with 16FJX 1 5 16 Female JIC Swivel fittings on the ends of the lead hoses 7 Check all f...

Page 10: ...d building 6 Once the oil has reached at least 50 F throttle the tractor engine up to working RPM IMPORTANT Never operate the PTO pump at a PTO speed exceeding 600 RPM This will damage the PTO pump and void all warranties NOTE The PTO pump will produce the rated flow rate and pressure when the tractor PTO is run at standard 540 RPM Most tractor PTO s will run at a slightly higher RPM at full throt...

Page 11: ...led the duty cycle Example A machine with a duty cycle of 50 is meant to work 5 minutes out of every 10 minutes The following duty cycles only apply to systems operating in ambient air temperatures from 0 F to 40 F 18 C to 4 C HP35 75 duty cycle maximum At ambient air temperatures above 40 F the duty cycle is reduced A thermometer is located on the front side of the tank to make monitoring oil tem...

Page 12: ...0 hours of operation or after 1 year whichever comes first Thereafter it should be replaced after every 250 hours of operation or after every 3 years whichever comes first More frequent filter changes may be required based on operating conditions 1 Remove the cover bolts with a 10mm socket and remove the cover NOTE To prevent contamination wipe the area around the filter clean before removing the ...

Page 13: ...13 BOLT TORQUE INFORMATION ...

Page 14: ...3 1 423946 BRKT COVER REAR PAINTED 4 1 330864 HOLDER MANUAL CANISTER 12 5 X 2 25 5 1 423928 VALVE ASSM RELIEF 4000 PSI 6 2 13053 BOLT HEX 5 16 X 3 4 NC GR 5 7 10 103880 WASHER LOCK 3 8 8 2 36304 NUT HEX FULL 5 16 NC GR5 Z 9 2 13064 BOLT HEX 5 16 X 2 3 4 NC GR 5 10 2 37211 NUT REV LOCK 5 16 NC GR A Z 24 10 13105 BOLT HEX 3 8 X 1 NC GR 5 ...

Page 15: ...15 PTO PUMP HF PARTS INFORMATION ...

Page 16: ... RING 4 X 3 32 155 11 1 300583 PIN 3 PT CAT1 LOWER 7 8 X 5 12 1 300460 PIN 3 PT CAT1 TOP 3 4 X 3 7 8 13 1 420069 BUSH 1 10 X 91 X 2 5 Z 14 1 420070 BUSH 1 X 78 X 1 69 Z 15 1 420420 HOOK PIN DRIVELINE W A Z 16 4 104432 PIN LYNCH 7 16 X 1 3 4 17 1 423916 THERMOMETER STR 5 OD 6 L 1 2 NPT 18 2 13319 BOLT HEX 5 8 X 4 NC GR 5 19 2 37216 NUT REV LOCK 5 8 NC GR A Z 20 6 13117 BOLT HEX 3 8 X 3 1 2 NC GR 5 ...

Page 17: ...17 PTO PUMP HF PARTS INFORMATION ...

Page 18: ...OSE 1 X 26 16FJX 16FJX 90 3000 PSI 2 1 423923 COOLER HD D20 PTO PUMP HF 3 1 423941 HOSE 1 X 240 16FJX 16FJX 4000 PSI 4 1 423943 COUPLER HYD 3 4 16OR FM FF 5 1 423944 COUPLER HYD 3 4 16OR M FF 6 1 300661 ADPT ELB 16MB 16MJ 90 7 2 201528 ADPT STR 16MB 16MJ 8 1 423929 ADPT STR 16MB 16MB ...

Page 19: ...19 PTO PUMP HF PARTS INFORMATION ...

Page 20: ... 1 423943 COUPLER HYD 3 4 16OR FM FF 5 1 423944 COUPLER HYD 3 4 16OR M FF 6 1 423952 HOSE 1 2 X 260 8FJX 8FJX 7 1 201528 ADPT STR 16MB 16MJ 8 1 423929 ADPT STR 16MB 16MB 9 1 330773 ADPT ELB 16MB 12MJ 90 10 1 318897 ADPT BUSH 12MB 8FB 11 1 423955 ADPT ELB 8MB 8MB 90 12 1 201934 COUPLER HYD 3 8 8OR M FF 13 1 201933 COUPLER HYD 3 8 8OR FM FF 14 1 300273 ADPT STR 8MB 8MJ 15 1 300262 ADPT ELB 12MB 12MJ...

Page 21: ...21 PTO PUMP HF PARTS INFORMATION ...

Page 22: ... CID SAE B 4 B PISTON 3 1 423958 HEATER TANK 1 NPT 1000W ASSM 4 1 423951 HOSE 2 X 12 SUCTION 7219 EZ FORM 5 1 423948 HOSE 1 X 48 16FJX 16FJX 45 4000 PSI 6 1 423919 ADPT ELB 32MB 2 BARB 90 7 1 201528 ADPT STR 16MB 16MJ 8 1 201526 ADPT STR 12MB 16MJ 9 2 423920 CLAMP T BOLT 2 5 10 1 310931 GAUGE SIGHT 12MB 11 1 320102 ADPT PLUG 6MB ...

Page 23: ...23 PTO PUMP HF PARTS INFORMATION ...

Page 24: ...24 PARTS INFORMATION ITEM QTY PART NO DESCRIPTION STOCK NUMBER 1 1 423912 KIT WIRE HRN COOLER LARGE 1 1 1 423913 HRN WIRE COOLER TRACTOR SIDE 1 2 1 423914 HRN WIRE COOLER TANK SIDE ...

Page 25: ... PTO Input Speed 540 RPM PTO Input Power Range 80 150 HP Operating Weight w out oil 630 lbs Tank Capacity 33 gallons Rated Pressure 4000 PSI Rated Flow 540 RPM 35 GPM Hydraulic Cooler Standard Equipment Tractor Mount Cat II or Cat III Filter Type In Tank 10 Micron absolute ...

Page 26: ...26 OIL VISCOSITY CHART ...

Page 27: ..._________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ___...

Page 28: ..._________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ___...

Page 29: ... be liable for incidental or consequential damages or injuries including but not limited to the loss of profit rental or substitute equipment or other commercial loss Purchaser s sole and exclusive remedy being as provided here in above Erskine Attachments LLC must receive immediate notification of defect and no allowance will be made for repairs without our consent or approval This warranty is in...

Page 30: ...30 P N 423964 Date Printed 1 6 2021 Erskine Attachments LLC Printed in U S A ...

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