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Graco 25P471, Operation - Repair - Parts

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Graco 25P471 Operation - Repair - Parts Download Page 7

Component Identification

3A7398A

7

Component Identification

25P472 (Hydraulic - High Flow)

* Connection type: Flat Face - ISO 16028

ti37705a

A

B

G

K

H

S

L

R

Q

M

N

M

P

F

C

J

D

E

Component

A

Hydraulic Return Line (male-quick connect)

B

Hydraulic Supply Line (female-quick connect)

C

Hydraulic Pump

D

Cushion Valve

E

Vacuum Ports (2x)

F

Universal Quick Attach Mount Plate

G

Cutter Speed Control

H

U-bar

J

Tachometer

K

Cutter Height Control Knobs (3x)

L

Universal Quick Attach Mount Support Legs

M

Wheel Mount Location (side)

N

Dust/Debris Skirt

P

U-bar Spring

Q

Belt  Tension

R

Caster  Wheels

S

Serial ID Label

Component

Summary of Contents for 25P471

Page 1: ...Low Flow 1000 psi 69 bar 6 9 MPa Inlet Fluid Maximum Working Pressure Model 25P472 GrindLazer HP RC1640 H Hydraulic High Flow 2000 psi 138 bar 3 8 MPa Inlet Fluid Maximum Working Pressure Model 25P47...

Page 2: ...5 Drive Belt Replacement Models 25P472 25P473 16 Bearing Replacement Models 25P472 25P473 17 Bearing Replacement Model 25P471 19 Maintenance 21 Recycling and Disposal 22 Rechargeable Battery Disposal...

Page 3: ...25P471 25P472 25P473 Universal Quick Attach Mount Plate 42 Parts List 25P471 25P472 25P473 Universal Quick Attach Mount Plate 42 Parts 25P471 25P472 Manifold 43 Parts List 25P471 25P472 Manifold 43 P...

Page 4: ...s Stop cutter rotation before raising equipment more than 1 2 inch 1 3 cm above work surface Do not operate cutters when equipment is raised more than 1 2 inch 1 3 cm Do not operate equipment with pro...

Page 5: ...le fuel cap is removed Keep work area free of debris including solvent rags and gasoline Keep a fire extinguisher in work area CARBON MONOXIDE HAZARD Exhaust contains poisonous carbon monoxide which i...

Page 6: ...y Line male quick connect B Hydraulic Return Line female quick connect C Hydraulic Pump D Cushion Valve E Vacuum Port F Universal Quick Attach Mount Plate G Cutter Speed Control H U bar J Cutter Heigh...

Page 7: ...ine male quick connect B Hydraulic Supply Line female quick connect C Hydraulic Pump D Cushion Valve E Vacuum Ports 2x F Universal Quick Attach Mount Plate G Cutter Speed Control H U bar J Tachometer...

Page 8: ...Attach Mount Plate B Gas Tank C Emission Canister D Engine E Vacuum Ports 2x F Tachometer G U bar H Cutter Height Control Knobs 3x J Universal Quick Attach Mount Support Legs K Battery Box L Wheel Mo...

Page 9: ...kid steer plate adapter is seated in the top part of the Universal Quick Attach Mount Plate curl the skid steer tilt function back until the Universal Quick Attach Mount Plate is flat against the skid...

Page 10: ...nd to prevent debris buildup Set Width of Cut Models 25P472 25P473 Models 25P472 25P473 allow the GrindLazer to be swiveled up to 30 either left or right to increase the cutting path width Loosen the...

Page 11: ...p 3A7398A 11 Dust Control Vacuum Attachment 1 If using a vacuum attach vacuum hose to the vacuum ports on the GrindLazer 2 Attach vacuum hose to the inlet port on the Cyclone Separator optional or vac...

Page 12: ...then place the Throttle Control lever at the fast position 3 Move the Choke Control lever to closed 4 Turn Key Switch to start the engine 5 After the engine starts move Choke Control lever to open 6 S...

Page 13: ...be parallel to the work surface when engaged The cutting circle left by the GrindLazer should be an even circle 25P472 25P473 Add slightly more pressure to the rear cutters than the front cutters by t...

Page 14: ...tters touch the work surface with a slight force Disconnect GrindLazer from Skid Steer The following instructions are generic Due to the differences in attachment mounting and removal methods among va...

Page 15: ...washer 5 Slide Belleville washer onto shaft against the outer bearing cover NOTE The washer should bend outward 6 Place hex nut onto shaft Tighten so the nut is tight but the cutters can freely rotate...

Page 16: ...s 2 Disconnect negative battery cable from battery 2 Raise the cutter heads off the work surface by turning the 3 Cutter Height Control Knobs all the way up Loosen the jam nuts using the 1 5 8 wrench...

Page 17: ...e tensioning screws to 25 30 in lbs 2 8 3 4 N m 11 Hydraulic Model 25P472 After the belt has been properly tightened reconnect the GrindLazer to the skid steer and allow it to run for 15 20 seconds to...

Page 18: ...as Model only 25P473 Remove the throttle and choke levers from the U bar using a flat head screw driver Also disconnect the battery cables at which point the U bar can be rotated so the engine can com...

Page 19: ...rcuit and wait until the GrindLazer cools off if it has been running 2 To remove the drive bearing assembly first follow Cutter Head Removal page 15 to remove the cutter heads NOTE It may be needed to...

Page 20: ...ove the Quick Attach Mount and hydraulic assemblies from the GrindLazer and set aside 7 Rotate the U bar out of the way to allow removal of the entire drive bearing assembly 8 Remove the bearing assem...

Page 21: ...eplacement elements can be purchased from your local engine dealer AFTER THE FIRST 20 HOURS OF OPERATION 25P473 only Drain engine oil and refill with clean oil See engine manual for correct viscosity...

Page 22: ...cle org End of Product Life At the end of the product s useful life dismantle and recycle it in a responsible manner Drain and dispose of fluids according to applicable regulations Refer to the materi...

Page 23: ...Excess Vibration Bearings may be worn Replace bearings Drive shaft worn Replace drive shaft Improper cutter set up Contact Tech Services Spindle contacting the work surface Raise the cutter head Whee...

Page 24: ...28 30 ft lbs 37 9 40 7 N m Torque to 20 22 ft lbs 27 1 29 8 N m Torque to 12 15 ft lbs 16 3 20 3 N m Torque to 4 6 ft lbs 5 4 8 1 N m Torque to 2 3 ft lbs 2 7 4 1 N m Torque to 160 5 ft lbs 216 9 6 8...

Page 25: ...5 GUARD dust 1 60 18B038 FRAME inner 1 68 100023 WASHER flat 3 8 58 69 100133 WASHER lock 3 8 29 84 18B188 TACHOMETER 1 87 18B501 BOLT hex head 3 8 16 x 1 25 32 88 18B525 SET screw 5 16 18 x 1 2 3 89...

Page 26: ...Parts 25P472 Outer Frame 26 3A7398A Parts 25P472 Outer Frame Torque to 28 30 ft lbs 37 9 40 7 N m Torque to 20 22 ft lbs 27 1 29 8 N m Torque to 2 3 ft lbs 2 7 4 1 N m 1 2 3 2 1 3 1...

Page 27: ...T nylock 3 8 16 16 57 18B045 FRAME outer 1 58 18B158 SCREW height control 3 59 18B124 NUT acme hex 1 0 5 3 63 18B159 WHEEL height 3 65 18B117 NUT eye 3 8 16 2 66 100101 SCREW hex cap 3 8 16 x 1 2 127...

Page 28: ...e to 28 30 ft lbs 37 9 40 7 N m Torque to 12 15 ft lbs 16 3 20 3 N m Torque to 7 8 ft lbs 9 5 10 8 N m Torque to 4 6 ft lbs 5 4 8 1 N m Torque to 2 3 ft lbs 2 7 4 1 N m See manufacturing instructions...

Page 29: ...hub drive 3 70 101679 SCREW set 3 8 24 x 0 5 8 71 18B197 KEY 8mm x 10mm x 1 4 72 18B198 COLLAR locking 3 73 18B108 SPACER hardened 9 16 24 74 18B511 SCREW hex cap 9 16 12 x 2 12 75 18B536 NUT nylock 9...

Page 30: ...Parts 25P473 Outer Frame 30 3A7398A Parts 25P473 Outer Frame Torque to 28 30 ft lbs 37 9 40 7 N m Torque to 20 22 ft lbs 27 1 29 8 N m 1 2 1 2 2 1...

Page 31: ...16 2 42 100101 SCREW cap hex 3 8 16x1 2 101 115753 BATTERY 1 102 17Y121 BOX battery 1 103 18A786 STRAP Velcro 2 x 24 1 104 801958 PROTECTOR battery terminal red 1 105 801959 PROTECTOR battery terminal...

Page 32: ...A Parts 25P473 Inner Frame Torque to 28 30 ft lbs 37 9 40 7 N m Torque to 12 15 ft lbs 16 3 20 3 N m Torque to 7 8 ft lbs 9 5 10 8 N m Torque to 4 6 ft lbs 5 4 8 1 N m Torque to 2 3 ft lbs 2 7 4 1 N m...

Page 33: ...NG drive housing assy 1 47 18B180 BUSHING taper lock 35mm 3 48 17X259 CONNECTOR hub drive 3 50 18B197 KEY 8mm X 10mm x 1 3 51 18B198 COLLAR locking 3 52 17X925 PULLEY drive 3 53 18B174 SPACER roller 4...

Page 34: ...P471 Motor Drive 34 3A7398A Parts 25P471 Motor Drive 3 4 5 6 Torque to 12 15 ft lbs 16 3 20 3 N m Torque to 7 8 ft lbs 9 5 10 8 N m Torque to 90 5 ft lbs 122 6 8 N m Torque to 140 5 ft lbs 190 6 8 N m...

Page 35: ...2 x 2 5 4 52 17W098 WASHER flat 1 2 10 74 18B146 MOTOR hydraulic 1 75 18B140 FITTING 90 2 76 18B141 REDUCER straight 2 77 18B034 HOUSING motor 1 78 18B186 LOVEJOY 7 8 1 79 18B050 LOVEJOY 1 3 8 1 80 18...

Page 36: ...ve Torque to 28 30 ft lbs 37 9 40 7 N m Torque to 12 15 ft lbs 16 3 20 3 N m Torque to 90 5 ft lbs 122 6 8 N m After 100 is in place before tightening bolts on plate turn screws 106 to tension belt Us...

Page 37: ...CLIP 2 96 18B185 BEARING 2 97 18B138 MOTOR hydraulic 1 98 17W088 KEY square 2 1 4 x 1 4 1 99 18B033 MOUNT motor hydraulic 1 100 18B031 PLATE motor 1 101 18B140 FITTING 90 2 102 18B141 REDUCER straigh...

Page 38: ...MUFFLER shield heated 1 63 18B031 PLATE motor 1 64 18B166 SPACER engine mount 2 65 18B121 ENGINE Kohler 25HP 1 66 17W088 KEY square 2 1 4 x 1 4 1 67 17W966 PULLEY engine drive 1 68 18B181 BUSHING driv...

Page 39: ...N m 1 2 3 1 2 3 Ref Part Description Qty 15 101679 SCREW set 3 8 24 x 0 5 3 48 18B041 U BAR 1 49 18B182 ROLLER cam 2 50 18B157 SPRING U bar assy 2 51 17W057 SCREW cap hex 1 2 20 x 4 3 52 17W098 WASHE...

Page 40: ...iversal Quick Attach Mount U Bar 40 3A7398A Parts 25P473 Universal Quick Attach Mount U Bar Torque to 28 30 ft lbs 37 9 40 7 N m Torque to 20 22 ft lbs 27 1 29 8 N m Torque to 12 15 ft lbs 16 3 20 3 N...

Page 41: ...x cap 1 4 20 x 0 75 8 49 101679 SCREW set 3 8 24 x 0 5 5 71 18B112 CABLE throttle 2 81 18B202 SWITCH starter switch 1 84 17W284 TACHOMETER 1 85 18B120 SWITCH key 1 96 17W098 WASHER flat 1 2 6 97 17W05...

Page 42: ...t lbs 875 5 6 8 N m 1 2 3 1 1 2 3 Ref Part Description Qty 61 18B110 COLLAR locking 2 split 2 62 18B173 RAIL slide 1 63 18B153 ARM boom 1 64 18B116 PLATE skid steer mounting 1 65 18B199 LEGS Quick Att...

Page 43: ...5 CONTROL pressure sensing flow 1 29 18B136 VALVE needle 1 30 18B137 VALVE check 1 31 18B143 VALVE pressure relief 1 32 18B148 PLUG blanking 1 33 18B147 PLUG blanking 1 34 18B149 PLUG blanking 2 126 1...

Page 44: ...onnect 1 19 18B192 FITTING male quick connect 1 20 18B487 SCREW flat head 1 4 20 x 3 4 4 26 18B125 FITTING straight 2 27 18B123 FITTING straight 2 28 18B126 HOSE hydraulic 14 2 35 18B128 HOSE hydrauli...

Page 45: ...15 ft lbs 16 3 20 3 N m Torque to 2 3 ft lbs 2 7 4 1 N m 1 2 1 2 Ref Part Description Qty 23 18B485 SCREW button head 10 32 x 3 8 14 45 100022 SCREW cap hex 1 4 20 x 0 75 4 79 18B171 BRACKET fuel tan...

Page 46: ...azer cannot be adequately distinguished from the skid steer Dimensions Weight unpackaged US Metric Height 42 in 107 cm Length 60 in 152 cm Width 46 in 117 cm Weight 940 lb 426 kg GrindLazer HP RC1625...

Page 47: ...s of parts labor and transportation THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS...

Page 48: ...is International Offices Belgium China Japan Korea GRACO INC AND SUBSIDIARIES P O BOX 1441 MINNEAPOLIS MN 55440 1441 USA Copyright 2020 Graco Inc All Graco manufacturing locations are registered to IS...

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