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Erskine Attachments 18HDRS, Operator'S Manual

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Erskine Attachments 18HDRS Operator'S Manual Download Page 33

 

33 

TROUBLESHOOTING 

 

 

 

 

     ___________________ 

 

 

 

PROBLEMS 

POSSIBLE CAUSE 

POSSIBLE SOLUTION 

Motor on the saw will not 
operate. 
 

Auxiliary hoses not hooked up to the skid 
steer. 
 
Obstruction in hydraulic lines. 
 
 
Hydraulic motor damaged or seals blown. 

Skid steer auxiliary valve not engaged. 
 

Engage Couplers 
 
 
Remove obstruction and replace if 
necessary. 
 
Call service department for instructions. 
 
 
Engage auxiliary valve. 

Cutter head rotates 
sluggishly. 

Insufficient hydraulic flow from the skid 
steer. 
 
Damaged quick coupler. 
 
Hydraulic motor damaged or seals blown. 
 
Oil filter on skid steer is dirty. 

Refer to skid steer's owner’s manual. 
 
 
Replace if necessary. 
 
Call service department for instructions. 
 
 
Refer to skid steer's owner

’s manual. 

Leaking Oil. 

Loose or damaged hydraulic line. 
 
O-Rings on fittings damaged. 
 
Hydraulic motor damaged or seals blown. 
 
Fittings loose or damaged. 
 
Cylinder seals damaged. 
 

Tighten or replace. 
 
Replace if necessary. 
 
Call service department for instructions. 
 
 
Tighten or replace. 
 
Replace cylinder seals. 

Insufficient power. 

Insufficient hydraulic flow from the skid 
steer. 
 
Relief valve setting adjusted too low. 
 
Hydraulic motor damaged or seals blown. 
 
Oil filter on skid steer is dirty. 
 

Refer to skid steer's owner

’s manual. 

 
 
Refer to skid steer's owner

’s manual. 

 
Call service department for instructions. 
 
 
Refer to skid steer's owner

’s manual. 

 

Cutter head rotates in the 
wrong direction. 

 

Hoses from the valve to the motor 
incorrectly connected. 
 

Switch hoses at the motor end. 
 

Excessive vibration during 
cutting operation. 

 

Picks are worn or broken. 
 
 
Picks contain flat spots or are not rotating 
freely. 
 
Insufficient down force due to incorrect 
operating procedure. 

Visually inspect the picks and replace as 
necessary. 
 
Visually inspect the picks and replace as 
necessary. 
 
Refer to the Operating section of this 
manual. 

 

 
 

Summary of Contents for 18HDRS

Page 1: ...ects or other reproductive harm Some examples of these chemicals are Lead from lead based paints Crystalline silica from bricks and cement and other masonry products and Arsenic and chromium from chemically treated lumber Your risk from these exposures varies depending on how often you do this type of work To reduce your exposure to these chemicals work in a well ventilated area and work with appr...

Page 2: ...EFERENCE INFORMATION Write the serial number for your attachment in the spaces below Always refer to this serial number when calling for service or parts Serial Number YOUR ATTACHMENTS DEALER ADDRESS PHONE CONTACT SAFETY 3 4 SERIAL NUMBER DECAL LOCATION 5 6 MOUNTING INSTRUCTIONS 7 8 OPERATING INSTRUCTIONS 9 10 ROUTINE MAINTENANCE 11 17 PARTS INFORMATION 18 29 GENERAL SPECIFICATIONS 30 BOLT TORQUE ...

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: ...onal use of this attachment may be subject to OSHA regulations specific to respirable silica To protect the operator from hearing loss ear protection is required unless the loader is equipped with a noise reduction cab that meets OSHA 1910 95 standard SAFETY Operation continued Keep people away from loader attachment and discharge when in use This attachment sends objects flying and has rotating p...

Page 5: ...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 Serial number plate is located on the upper right side step Part Number Model Decal 319455 18HDRS 319456 24HDRS Location Each side of rotor w a Quantity 2 ...

Page 6: ...r shield Quantity 1 in PMI 1 in Rotor decal package Part Number 200001 Location Top of mount over valve Quantity 1 Part Number 314875 Location Top of mount over valve Quantity 1 Part Number 319439 Location On RH of rotor Shield Quantity 1 Large Brand Decal Location Each side of rotor w a Quantity 2 A B C E D Part Number 318968 18 318969 24 Location On depth tube Quantity 1 F Small Brand Decal Loca...

Page 7: ... 2 Sitting in the operator s seat lower seat bar and fasten the seat belt 3 Drive the loader to the rear of the attachment Put the loader quick attach coupler into the attachment mounting bracket 4 Tilt the loader coupler backward a small amount until it is fully engaged in the attachment s mounting bracket 5 If equipped engage the coupler locking mechanism that attaches the attachment to the load...

Page 8: ...s wire harness receptacle Disregard if a pistol grip controller is supplied with the attachment Make sure the hoses are properly routed to fit your specific loader If the hoses are not routed correctly hoses may get pinched or rub on tires Be sure to check the hose routing through the full range of intended motion of the attachment before operating it More than one routing may be acceptable depend...

Page 9: ...r head left or right using the appropriate electric controls until it is in the desired position Use the guide roller for positioning if needed IMPORTANT Rock saw cutter head must be raised above the ground while operating the side shift feature or damage to the attachment may occur NOTE Set the cutter head as close to the centerline of the loader as possible but also consider the position of the ...

Page 10: ...peed to high idle 5 With the loader boom lowered completely and the rollers firmly on the ground slowly rotate the loader coupler forward until the cutter head penetrates the surface 6 Continue rotating the loader coupler forward until the Rock saw rollers and skid shoes are firmly on the ground The front of the loader should be elevated 2 to 4 inches during the plunge cut 7 Once the desired depth...

Page 11: ... are missing or damaged replace immediately INSPECTION SERVICE SCHEDULE Follow the attachments service schedule and check the following items every 1 hour of operation 1 Check picks for excessive wear and replace if necessary For details see page 12 2 Be sure the picks are free to rotate in the holders 3 Check pick holders for cracks or excessive damage and replace if necessary Follow the attachme...

Page 12: ... use of the picks beyond this point will have adverse effects such as poor productivity possible cutter head failure and other costly repairs NOTE Examples of abnormal pick wear causes and solutions are on page 31 Setup Moving parts may cause injury or death Always uncouple the loader from the rock saw prior to performing any maintenance 1 Find a hard flat level surface to place the rock saw while...

Page 13: ...picks NOTE Inspect the pick holders for cracks or areas that are worn thin while removing the old picks IMPORTANT Continued use of the rock saw with damaged holders may have adverse effects such as accelerated pick failure and possible cutter head damage Installation 1 Place puller groove of the pick into the jaw of the pick installation removal tool 2 Hold the shank end of the pick over the bore ...

Page 14: ...eft 8 After removing the lock collar use the emery cloth to smooth out the areas on the shaft that were marred up by the set screws 9 With the wrench or socket remove the eight hex flange nuts 10 Slide the bearing mount plate off of the shaft and the eight bolts GEARBOX MAINTENANCE The first gearbox oil change must be done between the first 15 20 hours of use Subsequent gearbox oil changes should ...

Page 15: ...Lower the hoist so that the cutter head is firmly on the ground 17 Loosen the M20 hex flange nut and repeat the process until all eight lug nuts are loose 18 Lift the saw slightly so the cutter head can be rotated freely Cutter head is extremely heavy and could cause injury or death if not secured properly while removing reinstalling or transporting 19 Remove all eight M20 hex flange nuts from the...

Page 16: ...ort on the gearbox 31 Reinstall the drain plug into the port on the bottom side of the gearbox 32 Next slide the motor up to the saw being sure to align the studs with the cutter head mount holes 33 Once aligned install at least one of the 5 8 x 1 GR8 motor mount bolts to hold the motor in position 34 Apply the high strength thread locker Red to the remaining nine 5 8 x 1 GR8 bolts 35 Install the ...

Page 17: ...tly so that the cutter head can be rotated by hand and rotate until the next M20 hex flange nut aligns with the circular cutout 47 Lower the hoist so that the cutter head is firmly on the ground 48 Torque the M20 hex flange nut down to 570 ft lbf and repeat the process until all eight lug nuts are loose 49 Next apply anti seize lubricant to the stub shaft 50 Slide the bearing mount plate back onto...

Page 18: ... 1 318961 BRKT BRACE ARMS R SAW PNTD 24 2 318912 PIN 1 25 X 3 813 SNP RNG W A 25 2 317896 BUSH SPRING 1 50 X 1 25 X 2 50 29 2 318873 CYLINDER 2 5 X 16 B B REPLACED 317854 2 317854 CYLINDER 2 5 X 16 B B REPLACED BY 318873 32 2 33446 WASHER MB 1 10GA NARROW 36 4 37219 NUT REV LOCK 1 NC 38 2 13470 BOLT HEX 1 X 4 1 4 NC GR 5 40 2 313333 RING SNAP EXT 2 X 063 41 4 33495 WASHER MB 2 14GA NARROW 43 2 651...

Page 19: ...19 PARTS INFORMATION ...

Page 20: ...912 PIN 1 25 X 3 813 SNP RNG W A 25 2 317896 BUSH SPRING 1 50 X 1 25 X 2 50 26 2 314808 CHANNEL PLASTIC 24 28 1 317274 CYLINDER 2 X 24 36 4 37219 NUT REV LOCK 1 NC 38 2 13469 BOLT HEX 1 X 4 NC GR 5 40 2 313333 RING SNAP EXT 2 X 063 41 4 33495 WASHER MB 2 14GA NARROW 42 2 13473 BOLT HEX 1 X 5 NC GR 5 45 6 37217 NUT REV LOCK 3 4 NC 54 3 316654 WASHER 3 5 X 63 X 25 Z 55 6 316657 WASHER NYLON 3 5 X 1 ...

Page 21: ...21 PARTS INFORMATION ...

Page 22: ...HDRS REPLACEMENT PKG 318693 72 314830 TOOTH BULLET CP RS CONCRETE 24HDRS REPLACEMENT PKG 318694 12 1 318970 MOTOR ASSM 27 1 313568 BRG 1 7 16 SPHERICAL W FLANGE 34 10 15307 BOLT HEX 5 8 X 1 1 4 NC GR 8 YZ 48 4 36108 NUT FULL HEX 7 16 NC 49 4 13159 BOLT HEX 7 16 X 1 1 2 NC GR 5 50 8 37345 NUT FLG SERRATED 1 2 NC GR 5 51 8 33626 WASHER LOCK 1 2 52 8 13207 BOLT HEX 1 2 X 1 1 4 NC GR 5 67 4 33624 WASH...

Page 23: ...23 PARTS INFORMATION ...

Page 24: ...87 KIT HOSE ROCK SAW HD 24 12 1 312138 HOSE 3 8 X 38 6FJX 6FJX90 PORT B TO CYL ROD 13 1 319384 HOSE 3 8 X 20 6FJX 6FJX90 PORT A TO CYL BASE 14 1 319475 VALVE ASSM ROCK SAW 2 FUNC 2 28 1 317274 CYLINDER 2 X 24 31 6 201925 ADPT STR 8MB 6MJ 33 2 311673 ADPT STR 6MB 6MJ 74 2 330783 WRAP SPIRAL 2 606 X 42 YEL NOT SHOWN ...

Page 25: ...NLY 2 312138 HOSE 3 8 X 38 6FJX 6FJX90 CYL ROD TO TEE 24 ONLY 10 2 203707 HOSE 3 8 X 13 75 6FJX 6FJX90 CYL BASE TO TEE 18 ONLY 2 319384 HOSE 3 8 X 20 6FJX 6FJX90 CYL BASE TO TEE 24 ONLY 29 2 318873 CYLINDER 2 5 X 16 B B REPLACED 317854 2 317854 CYLINDER 2 5 X 16 B B REPLACED BY 318873 31 6 201925 ADPT STR 8MB 6MJ 37 2 201539 ADPT ELB 6MB 6MJ 90 72 2 330611 ADPT TEE 6MJ 6MJ 6MJ BH DROP 74 2 330783 ...

Page 26: ...2FJX 12FJX LEAD PRESSURE TO TEE 11 1 330897 HOSE 1 2 X 130 8FJX 8FJX90 CD REPLACED 319325 1 319325 HOSE 3 8 X 130 6FJX 6FJX90 CD REPLACED BY 330897 12 1 318970 MOTOR ASSM 35 2 103431 ADPT STR 12MB 12MJ 39 1 319476 ADPT STR 4MBSPP 6MJ CASE DRAIN 70 1 330813 ADPT ELB 4FP 6FJX90 MOTOR 71 1 330859 ADPT STR 4MP 4FP CHECK MOTOR NOT PART OF HOSE KIT 73 1 330782 ADPT TEE 12MJ 12MJ 12FJX 74 2 330783 WRAP S...

Page 27: ...REPLACED BY 330895 12 1 318970 MOTOR ASSM 14 2 319354 HOSE 3 4 X 52 12FJX TUBELINE 16FJX LEAD LINES 15 4 13013 BOLT HEX 1 4 X 2 1 2 NC GR 5 16 4 33618 WASHER LOCK 1 4 17 4 330617 CLAMP HOSE 1 2 R CLAMP 18 2 318690 PLATE CLAMP TUBELINES RSHD Z 19 2 318692 CLAMP TUBELINE 1 TOP 20 2 318691 CLAMP TUBELINE 1 BOTTOM 21 2 318689 BRKT MOUNT TUBELINE CLAMP 22 4 38144 NUT PILOT WELD 1 4 20 OFFSET 35 2 10343...

Page 28: ...M ROCK SAW CYL SECTION 3 1 300982 VALVE CHECK 100PSI 4 1 300986 LOGIC ELEMENT PILOTED 70PSI 5 2 300987 VALVE CHECK 4PSI 6 1 313141 ADPT STR 12MB 12MJ CHECK 7 1 103431 ADPT STR 12MB 12MJ 8 1 300985 VALVE RELIEF 9 1 300984 VALVE RELIEF 2000PSI 10 1 300983 ADPT STR 12MB 12MJ 10 ORIFICE 11 1 300955 WASHER E COIL SPACER SP10 12 2 314899 COIL VALVE 12V ECOIL CP ...

Page 29: ...29 PARTS INFORMATION ___________________ ITEM QTY PART NO DESCRIPTION STOCK NO 318970 MOTOR ASSM 80 90 GEAR LUBE 21OZ 1 1 318971 MOTOR ASSM 20 73 FS30 2 1 318972 GEARBOX PSW67 5 05 1 FLG MS08 ...

Page 30: ...30 GENERAL SPECIFICATIONS ...

Page 31: ...31 BOLT TORQUE CHART ___________________ ...

Page 32: ...rasive material High rotational speed Consider using a larger diameter carbide tip base Consider using a heavier body pick Extreme Carbide Tip Wear Hard material aggregate Heat build up on the pick Consider using a larger carbide tip Consider cooling picks with water Tip Fractures Extremely hard material aggregate Heat build up on the pick Improper pick installation Poor rotation Consider using a ...

Page 33: ...otor damaged or seals blown Fittings loose or damaged Cylinder seals damaged Tighten or replace Replace if necessary Call service department for instructions Tighten or replace Replace cylinder seals Insufficient power Insufficient hydraulic flow from the skid steer Relief valve setting adjusted too low Hydraulic motor damaged or seals blown Oil filter on skid steer is dirty Refer to skid steer s ...

Page 34: ...d steer Solenoid valve spool bent Retaining nut on solenoid valve too tight Cylinder rod bent Cylinder seals damaged Obstruction in hydraulic lines Refer to skid steer s owner s manual Replace spool Loosen nut Visually inspect the cylinder for damage Replace cylinder seals Remove obstruction and replace if necessary Hydraulic cylinders only operating in one direction Contaminants in the hydraulic ...

Page 35: ...e 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 l...

Page 36: ...36 P N 318904 Date Printed 9 18 2018 Erskine Attachments LLC Printed in U S A ...

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