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OPERATORS' GUIDE
REL
REL
REL - 425C
REL
REL
IMPACT WRENCH
with 7/16" quick change chuck
to read and understand these warnings
and safe handling instructions could result
in severe personal injury and or death.
7/16" hex X 1/2" square drive impact adapter
DISTRIBUTED BY
1
REL-425C Manual 03-09
425C
425C
425C
425C
HYDRAULIC
WARNING
All information found in this guide
must be read and understood before
use or testing of this tool. Failure
Shown with optional
and low pressure hydraulic couplers
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Table of Contents
Related Manuals for Reliable Equipment REL-425C
Summary of Contents for Reliable Equipment REL-425C
- Page 1 Shown with optional 7/16” hex X 1/2” square drive impact adapter and low pressure hydraulic couplers DISTRIBUTED BY REL-425C Manual 03-09...
- Page 2 DISTRIBUTED BY REGISTRATION UPON RECEIPT OF THIS TOOL, COMPLETE THE REGISTRATION BELOW. COMPANY ______________________________________________________ ADDRESS ______________________________________________________ _______________________________________________________________ PHONE ____________________ FAX _______________________________ SERIAL NUMBER ________________________________________________ DATE OF PURCHASE ____________________________________________ DEALER NAME __________________________________________________ THIS SYMBOL INDICATES ITEMS OF EXTREME IMPORTANCE. Safety of user and others may be in jeopardy if these instructions are not read and understood.
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Page 3: Table Of Contents
MAINTENANCE RECORD ............28 DESCRIPTION The REL-425C is a user friendly hydraulic impact tool that has broad applications for the utility and construction industries. Delivering 425 ft. lbs. of torque at 6 gpm, this tool is great for drilling, loosening rusted hardwear, or tightening lag bolts with ease. -
Page 4: Tool Specifications
TOOL SPECIFICATIONS Length ..................8.6" (21.8cm) Width ..................2.7" (6.8 cm) Height..................8.8" (21.8 cm) Weight ..................6.3 lb. (2.8 kg) Output Torque ....... 425 ft lb. @ 5-6 gpm (recommended) NOTE: TORQUE MAY VARY WITH TRUCK PRESSURE AND HYDRAULIC FLOW Pressure Port .............. - Page 5 BEFORE USING THIS TOOL, READ THE WARNINGS and the recommended practices described in this manual. Failure by the operator to read and fully understand these warnings will leave this person unqualified to use and operate this tool. Property damage, severe personal injury, WARNING and/or death could result by not following these warnings.
- Page 6 Safe Operation & Care USE THIS TOOL FOR ITS INTENDED PURPOSE ONLY Any other use can result in injury or property damage. INSPECT TOOL BEFORE USE. Replace any worn, damaged or WARNING missing parts. A damaged or improperly assembled tool may malfunction, injuring operator and/or nearby personnel.
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Page 7: General Safety Information
Burn Hazard Do Not connect or disconnect tool, hoses or fittings while power source is running or while hydraulic fluid is hot. Hot hydraulic fluid may cause serious burns. WARNING Failure to observe this warning could result in serious injury. Electrical Shock Hazard Use only certified nonconductive hoses and fittings. -
Page 8: Hoses And Fittings (General Information)
HOSES AND FITTINGS There exists the potential for shock in using anything other than certified nonconductive hoses and hydraulic oil with dielectric properties, when using system components near WARNING energized electrical lines. Failure to recognize these conditions could cause electrocution. Hoses and fittings used with this tool must comply with S.A.E. - Page 9 HOSES AND FITTINGS Care must be exercised in the use of hose and fittings for use on hydraulic tools, especially in confined areas. Any obstruction or abrasive surrounding could damage the hose and cause a serious accident. Always use the recommended hose for the tool that is being used. Always consult the dealer or distributor for the correct hoses and purchase from him to ensure, from a safety standpoint that the materials used in the manufacture of the hoses is to the correct specification for the application.
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Page 10: Operational Safety
Operation/Safety methods may vary in accordance with the working guidelines established by each utility or contractor. For your own safety, ensure that you fully comply with WARNING all safe operation guidelines required by your employer. OPERATIONAL SAFETY WARNINGS SHOCK, ELECTRICAL: This is a non-insulated tool. The need for keeping the tool dry and cleen is imperative. -
Page 11: Operating Instructions
OPERATING INSTRUCTIONS Correctly install fittings 1. Although the tool will work with the pressure and return lines backwards, the tool’s performance will be adversely affected and this may create an unsafe condition in certain hydraulic systems. The pressure inlet is the smaller forward port. A 9/16–18 SAE fitting (Parker #6) is required. -
Page 12: Maintenance
MAINTENANCE The life, reliability, and safety of the tool is dependent on proper maintenance. DAILY MAINTENANCE Clean all surfaces including handle, trigger, chuck, main spool, reversing spool, fittings, and hoses. Inspect tool for wear and damage. Worn or damaged parts can cause malfunction during operation. Inspect for cracked hoses and leaking fittings. - Page 13 DISASSEMBLING THE REL-425 ALWAYS WEAR EYE PROTECTION! Before beginning any repair, the tool must be removed from the power source and the internal oil pressure must be relieved. Gloves and face protection should be worn. Carefully remove the inlet and outlet fittings. Squeeze the trigger and hold for a few seconds, then switch the reversing spool to the other direction and hold the trigger open again.
- Page 14 Removing the Reversing Spool Note: The spool can be installed or removed from either side. Remove both adjusting caps (82) from the reversing spool. CAUTION: do not use pliers. to hold the spool while loosening a screw. Push the spool into one side of the body until the O-ring is exposed on the other side. Remove the exposed O-ring.
- Page 15 REASSEMBLING THE REL-425C NOTE: Before reassembling the REL-425C, inspect all parts for damage or excessive wear. Nicks or burrs on the corners of the shafts or spools can be fatal to tool life. All old grease should be removed and the parts should be clean and free of foreign particles.
- Page 16 Reassembling the Motor Replace the O-ring (35). Apply petroleum jelly to the drive shaft to help it slide through the O-ring. Install the drive shaft. It will only go one way. Install the Key (12). Petroleum jelly will keep it in place while installing the gear.
- Page 17 Reassembling the Impact Housing NOTE: Use a high quality lithium grease that is rated for at least 250° F. An HP or EP grease with an NGLI #2 rating is recommend. 1. Thoroughly grease the drive shaft (8). Clean and inspect the thrust bearing (11) and two thrust washers (10) to ensure they roll freely.
- Page 18 Reassembling the Chuck 1. Install the drive balls (67). Filling the holes where the drive balls go with grease will hold them in place. 2. Wipe a thin film of grease over all the end SPRING of the anvil and install the chuck. 3.
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Page 19: Assembly
PRESSURE CONTROL SPOOL KIT. - PART # 13179 Item # Description Part Number # Req. SPOOL, REVERSING 13181 ADJUSTING CAP 13182 PLUG, ADJUSTING 13183 84 * O-RING, PLUG (incl. in seal kit) 13184 PINTLE 13185 ADJUSTING SCREW,5/16-24 FLAT POINT 13186 LOCK SCREW, 8-32 X 1/4 BRASS TIP 13187 88 *... - Page 20 REL-425C REL-425C REL-425C REL-425C REL-425C P P P P P AR ARTS DRA TS DRA TS DRA TS DRAWING WING WING WING TS DRA WING PRESSURE CONTROL SPOOL Refer to Page 22...
- Page 21 46175 SUPPLIED WITH BEARINGS PRESSED IN NOTE: THE REL-425C FEATURES AN UPDATED O/C SPOOL ASSEMBLY. SEE PG #23 FOR PARTS AND ASSEMBLY DRAWING. SEE PAGE 16 FOR ASSEMBLY INSTRUCTIONS. THE PRESSURE CONTROL SPOOL ASSEMBLY HAS NOT CHANGED FROM PREVIOUS MODEL REL-425B.
- Page 22 SPRING, MAIN SPOOL (REFERENCED ON PG 20) R13109 O/C KNOB - REVISED 06/08 R46022 SET SCREW R46024 WASHER R46010 O-RING - INSIDE HANDLE BODY R46011 NOTE: THE REL-425C FEATURES AN UPDATED O/C SPOOL ASSEMBLY. SEE PAGE 16 FOR ASSEMBLY INSTRUCTIONS.
- Page 23 REL-425TS Wear proper eye protection. Do not lean over test assembly. Secure wrench into test stand before actuating trigger. Up to 80 inch-pounds of torque may be delivered! Failure to observe this warning may result in the wrench rotating WARNING at high speed causing tool damage and/or serious Injury.
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Page 24: Maintenance Record
Date Parts or Service Required If you have any questions regarding the information found in this manual please contact RELIABLE EQUIPMENT at the address, phone or fax numbers shown below. 92 Steamwhistle Drive Ivyland, PA 18974 Phone: 800-966-3530 Fax: 215-357-9193...