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This manual has been prepared for the owner and operators of a Paving Breaker. Its purpose, aside from 
machine operation, is to promote safety through the use of accepted correct operating and maintenance 
procedures.  Completely read the safety and maintenance instructions before operating or servicing the 
machine.  To obtain maximum life and efficiency from your tool, and to aid in using the machine safely, 
read this manual thoroughly and follow instructions carefully. 
 
 

Warranty & Service 

The WMH Tool Group warrants every product it sells.  If one of our tools needs service or repair, one of 
our Authorized Repair Stations located throughout the United States can give you quick service. 
 
In most cases, any one of these WMH Tool Group Repair Stations can authorize warranty repair, assist 
you in obtaining parts, or perform routine maintenance and major repair on your JET, Performax, Wilton, 
or Powermatic tools. 
 
For the name of an Authorized Repair Station in your area, please call 1-800-274-6848, or visit 
www.wmhtoolgroup.com 
 
 

More Information 

Remember, the WMH Tool Group is consistently adding new products to the line.  For complete, up-to-
date product information, check with your local WMH Tool Group distributor, or visit 
www.wmhtoolgroup.com 
 
 

WMH Tool Group Warranty 

The WMH Tool Group (including JET, Performax, Wilton and Powermatic brands) makes every effort to 
assure that its products meet high quality and durability standards and warrants to the original retail 
consumer/purchaser of our products that each product be free from defects in materials and workmanship 
as follow:  1 YEAR LIMITED WARRANTY ON ALL PRODUCTS UNLESS SPECIFIED OTHERWISE.  
This Warranty does not apply to defects due directly or indirectly to misuse, abuse, negligence or 
accidents, normal wear-and-tear, repair or alterations outside our facilities, or to a lack of maintenance. 
 
THE WMH TOOL GROUP LIMITS ALL IMPLIED WARRANTIES TO THE PERIOD SPECIFIED ABOVE, 
FROM THE DATE THE PRODUCT WAS PURCHASED AT RETAIL.  EXCEPT AS STATED HEREIN, 
ANY IMPLIED WARRANTIES OR MERCHANTIBILITY AND FITNESS ARE EXCLUDED.  SOME 
STATES DO NOT ALLOW LIMITATIONS ON HOW LONG THE IMPLIED WARRANTY LASTS, SO THE 
ABOVE LIMITATION MAY NOT APPLY TO YOU.  THE WMH TOOL GROUP SHALL IN NO EVENT BE 
LIABLE FOR DEATH, INJURIES TO PERSONS OR PROPERTY, OR FOR INCIDENTAL, 
CONTINGENT, SPECIAL, OR CONSEQUENTIAL DAMAGES ARISING FROM THE USE OF OUR 
PRODUCTS.  SOME STATES DO NOT ALLOW THE EXLUSION OR LIMITATION OF INCIDENTAL OR 
CONSEQUENTIAL DAMAGES, SO THE ABOVE LIMITATION OR EXCLUSION MAY NOT APPLY TO 
YOU. 
 
To take advantage of this warranty, the product or part must be returned for examination, postage 
prepaid, to an Authorized Repair Station designated by our office.  Proof of purchase date and an 
explanation of the complaint must accompany the merchandise.  If our inspection discloses a defect, we 
will either repair or replace the product, or refund the purchase price if we cannot readily and quickly 
provide a repair or replacement, if you are willing to accept a refund.  We will return repaired product or 
replacement at WMH Tool Group’s expense, but if it is determined there is no defect, or that the defect 
resulted from causes not within the scope of WMH Tool Group’s warranty, then the user must bear the 
cost of storing and returning the product.  This warranty gives you specific legal rights; you may also have 
other rights which vary from state to state. 
 
The WMH Tool Group sells through distributors only.  Members of the WMH Tool Group reserve the right 
to effect at any time, without prior notice, those alterations to parts, fittings, and accessory equipment 
which they may deem necessary for any reason whatsoever. 

 

Содержание JPB-60

Страница 1: ...B 60 90 Paving Breakers WMH TOOL GROUP Industrial Division P O BOX 1349 Auburn WA 98071 1349 Ph 1 800 274 6848 Fax 1 800 274 6840 E mail jet wmhtoolgroup com www wmhtoolgroup com M 550075 12 02 Copyright WMH Tool Group ...

Страница 2: ... abuse negligence or accidents normal wear and tear repair or alterations outside our facilities or to a lack of maintenance THE WMH TOOL GROUP LIMITS ALL IMPLIED WARRANTIES TO THE PERIOD SPECIFIED ABOVE FROM THE DATE THE PRODUCT WAS PURCHASED AT RETAIL EXCEPT AS STATED HEREIN ANY IMPLIED WARRANTIES OR MERCHANTIBILITY AND FITNESS ARE EXCLUDED SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG THE IM...

Страница 3: ...and other masonry products and arsenic and chromium from chemically treated lumber Your risk from those 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 approved safety equipment such as those dust masks that are specifically designed to filter out microscopic particles Do not operate tool while...

Страница 4: ...ore storing the tool pour a few ounces of JET Marvel Air Tool Oil into the air inlet and momentarily operate the tool Troubleshooting Loss of power or erratic action Compressor producing insufficient air pressure for tool Compressor producing insufficient air volume for tool Moisture or debris in air hose Air hose undersize or in poor condition Inadequate air system lubrication Incorrect shank siz...

Страница 5: ...en the air inlet swivel nut and remove it from the cylinder Remove the air inlet swivel Remove the air inlet screen from the cylinder Remove the O ring s from the air inlet swivel nut and air inlet swivel Repair Notes Air Leakage If air is leaking from the air inlet swivel nut or air inlet swivel change the O rings and check for loosening of the air inlet swivel nut If air is leaking from the thro...

Страница 6: ...inlet swivel nut and tighten the nut Complete Assembly 1 Stand the front head assembly in the vertical position 2 Assemble the tappet seat and cylinder onto the front head making sure the retainer nut and exhaust port on the cylinder are in line with each other 3 Place the front head bolts into the holes 4 Assemble the front head bolt springs front head lock washer and tighten the front head bolt ...

Страница 7: ... Bolt 2 2 5mm 3mm Back Head Bolt 166 3 202 5 166 3 202 5 Front Retainer Bolt 43 4 57 8 43 4 57 8 Oil Tank Bolt 57 8 28 9 32 5 GD Plug 7 2 10 8 10 8 14 5 Air Inlet Assembly 202 58 216 9 202 5 216 9 Torque setting for the front head bolt on the PB 60 and PB 90 is given as the measurement between the bottom of the nut and the end of the bolt ...

Страница 8: ...8 Parts Breakdown for JPB 60 1 1 8 and JPB 60 1 1 4 ...

Страница 9: ... 23 P91202 Cylinder Plug 3 24 P91208 Dowel Pin 1 4 x3 4 1 25 P61101 Cylinder 1 26 P91238 Air Inlet Screen 1 27 P91222 Air Inlet Swivel O Ring 28 5x2mm 1 28 P91235 Air Inlet Swivel 1 29 P91237 O Ring 29 4x3 1mm 1 30 P91236 Air Inlet Swivel Nut 1 31 P91246 Plug 1 32 P61123 Back Head Bolt 4 33 P61139 Front Head Bolt 2 34 P91244 Rubber Plug 1 35 P61103 Piston Hammer 1 36 P61126 Tappet Seat 1 37 P61127...

Страница 10: ...10 Parts Breakdown for JPB 90 1 1 8 and JPB 90 1 1 4 ...

Страница 11: ...hrottle Valve 1 24 P91216 Throttle Valve Spring 1 25 P91202 Cylinder Plug 5 26 P91201 Cylinder 1 27 P91238 Air Inlet Screen 1 28 P91222 Air Inlet Swivel O Ring 28 5x2mm 1 29 P91235 Air Inlet Swivel 1 30 P91237 O Ring 29 4x3 1mm 1 31 P91236 Air Inlet Swivel Nut 1 32 P91246 Plug 1 33 P91223 Back Head Bolt 4 34 P91239 Front Head Bolt 2 35 P91244 Rubber Plug 1 36 P91203 Piston Hammer 1 37 P91226 Tappe...

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