Page 2 - WARNING
2 ► MAXFORCE BREAKER User Manual WARNING Read Manual Wear Breathing Protection Wear Hearing Protection Wear Eye Protection Do not operate the breaker unless the following safety instructions have been thoroughly read and understood! Read this manual before installing, operating or maintaining this e...
Page 3 - TABLE OF CONTENTS; IMPORTANT
MAXFORCE BREAKER User Manual ◄ 3 TABLE OF CONTENTS IMPORTANT To fill out a Product Warranty Recording form, and for information on your warranty, visit Stanleyhydraulic.com and select the Warranty tab. ( NOTE: The warranty recording form must be submitted to validate the warranty). SAFETY PRECAUTION...
Page 4 - SAFETY PRECAUTIONS; GENERAL SAFETY PRECAUTIONS
4 ► MAXFORCE BREAKER User Manual SAFETY PRECAUTIONS Tool operators and maintenance personnel must always comply with the safety precautions given in this manu - al and on the decals and tags attached to the tool and hose. These safety precautions are given for your safety. Re - view them carefully b...
Page 6 - SAFETY SYMBOLS; LOCAL SAFETY REGULATIONS; DANGER; CAUTION; CAUTION; NOTICE
6 ► MAXFORCE BREAKER User Manual SAFETY SYMBOLS Always observe safety symbols. They are included for your safety and for the protection of the tool. LOCAL SAFETY REGULATIONS Enter any local safety regulations here. Keep these instructions in an area accessible to the operator and mainte - nance pers...
Page 8 - MAXFORCE; MBXXXX
8 ► MAXFORCE BREAKER User Manual TOOL STICKERS & TAGS Sound Power Level StickerP/N 72096 – 115 dBA MBX208 P/N 72097 – 116 dBA MBX138 P/N 72098 – 120 dBA MBX258, 308, 358 P/N 72259 – 124 dBA MBX408 P/N 72260 – 125 dBA MBX458 608 Stanley Hydraulic ToolsDivision of The Stanley Works3810 SE Naef Roa...
Page 9 - PREPARATION FOR OPERATION; PRE-INSTALLATION INSTRUCTIONS
MAXFORCE BREAKER User Manual ◄ 9 PRE-OPERATION PREPARATION FOR OPERATION NITROGEN CHARGE The breaker has been properly charged with nitrogen at the factory and is ready to use (see pages 20 and 21) for charging information. TOOL BIT LUBRICATION Grease the top 250 mm/10 inches of the breaker tool bit...
Page 10 - SECURING THE TOOL; PROCEDURE; LONG TERM STORAGE
10 ► MAXFORCE BREAKER User Manual PRE-OPERATION Piston not against tool bit leaving space between the piston and bit. Tool Stop Lower Bushing Tool Bit Grease Will Fill This Space Figure 2. SECURING THE TOOL 1. Lay the breaker in a horizontal position to install the tool bit. Remove the tool pin reta...
Page 11 - OPERATION; PREPARATION FOR USE; POSITIONING THE EXCAVATOR; MAINTAIN DOWN PRESSURE
MAXFORCE BREAKER User Manual ◄ 11 OPERATION PREPARATION FOR USE Read the section in this manual titled PREPARATION FOR USE before operating a breaker. Failure to follow the preparation instructions can result in severe damage to the breaker and excavator and void the warranties of both. POSITIONING ...
Page 12 - BREAKING
12 ► MAXFORCE BREAKER User Manual OPERATION BREAKING The operator should note the sound of the blow when the breaker is running. With experience, the operator will be able to tell the difference between a good solid blow and a hollow sounding blow. A hollow blow means that solid blows are not occurr...
Page 13 - BLANK FIRING
MAXFORCE BREAKER User Manual ◄ 13 OPERATION Excessive side force cocks the tool in its bore, pre-vents proper movement and causes premature tool shank and bushing wear. Since the breaker tool bit must be pushed up into the breaker to operate, a binding tool prevents the breaker from operating correc...
Page 14 - UNDERWATER USE
14 ► MAXFORCE BREAKER User Manual OPERATION UNDERWATER USE No part of the breaker may be submerged in water unless an air application kit is used. Underwater usage of the breaker without air application will cause internal damage to the breaker. Consult Stanley for modifications and specific warrant...
Page 16 - EACH DAY; TOOL STOP & LOWER BUSHING; PERIODIC MAINTENANCE CHECKS
16 ► MAXFORCE BREAKER User Manual OPERATION EACH DAY • Check for loose or missing fasteners. Tighten or re - place as needed. • Inspect tool retaining pins and pockets for wear.• Check for hydraulic leaks at all fittings and hoses. Replace any defective hoses. • Apply grease to the grease fitting in...
Page 17 - PROPER USE & CARE OF TOOL BITS; TOOL FAILURE NOT COVERED; BLANK FIRING OR FREE RUNNING
MAXFORCE BREAKER User Manual ◄ 17 PROPER USE & CARE OF TOOL BITS Worn-out retainer pin(s) will cause uneven loading on the pin(s) themselves, causing failure of the tool or re - tainer pin(s). This will also cause excessive wear to the front bushing(s). METAL-TO-METAL CONTACT Extreme caution sho...
Page 18 - PRYING; CORROSION
PROPER USE & CARE OF TOOL BITS 18 ► MAXFORCE BREAKER User Manual In its most extreme forms, the combination of surface damage and severe bending can quickly break even the best working steels.The illustrations below show examples of severe stress breaks. Figure 15. Severe Stress Breaks PRYING Th...
Page 19 - TOOL FAILURE COVERED UNDER; INTERNAL MATERIAL FLAW
PROPER USE & CARE OF TOOL BITS MAXFORCE BREAKER User Manual ◄ 19 TOOL FAILURE COVERED UNDER WARRANTY INTERNAL MATERIAL FLAW This failure occurs when a foreign material is rolled into the steel during the manufacturing process, causing an imperfection in the internal material flaw grain. The re -...
Page 20 - MOIL
PROPER USE & CARE OF TOOL BITS 20 ► MAXFORCE BREAKER User Manual Stanley Breakers are available with several different types of tool bits. The most common are the moil, chisel and the blunt. Each of these working steels has its own purpose as described below:To obtain the maximum production from...
Page 21 - WEAR LIMIT DIMENSIONS; INSPECTION / REPLACEMENT OF TOOL BIT/LOWER BUSHING; LOWER BUSHING
MAXFORCE BREAKER User Manual ◄ 21 WEAR LIMIT DIMENSIONS Model Wear Limit MBX138 5 mm / 0.196 in. MBX208, MBX258, MBX308 6 mm / 0.236 in. MBX358, MBX408, MBX458 6 mm / 0.236 in. MBX608 7 mm / 0.275 in. INSPECTION / REPLACEMENT OF TOOL BIT/LOWER BUSHING Model ØA New Part ØB Wear Limit ØC L MBX138 100 ...
Page 22 - TOOL STOP
22 ► MAXFORCE BREAKER User Manual WEAR LIMIT DIMENSIONS Model A New Part B Wear Limit ØC New Part ØD Wear Limit ØE L MBX138 17 mm 0.669 in 14 mm 0.551 in 100 mm 3.937 in 105 mm 4.133 in 122 mm 4.803 in 117 mm 4.606 in MBX208 31 mm 1.220 in 28 mm 1.102 in 125 mm 4.921 in 131 mm 5.157 in 151 mm 5.944 ...
Page 23 - UPPER BUMPER
MAXFORCE BREAKER User Manual ◄ 23 WEAR LIMIT DIMENSIONS Model A New Part B Wear Limit MBX138 116 mm / 4.566 in 111 mm / 4.370 in MBX208 116 mm / 4.566 in 111 mm / 4.370 in MBX258 127 mm / 5.000 in 122 mm / 4.803 in MBX308 127 mm / 5.000 in 122 mm / 4.803 in MBX358 142 mm / 5.590 in 137 mm / 6.141 in...
Page 24 - TOOL RETAINER PIN
24 ► MAXFORCE BREAKER User Manual WEAR LIMIT DIMENSIONS Model Dimension (A) New Part Wear Limit Dimension (B ) MBX138 60 mm / 2.362 in 3 mm / 0.118 in MBX208 76 mm / 2.992 in 3 mm / 0.118 in MBX258 80 mm / 3.149 in 4 mm / 0.157 in MBX308 88.5 mm / 3.484 in 4 mm / 0.157 in MBX358 88.5 mm / 3.484 in 4...
Page 25 - TROUBLESHOOTING
MAXFORCE BREAKER User Manual ◄ 25 TROUBLESHOOTING If symptoms of poor performance develop, the following chart can be used as a guide to correct the problem.When diagnosing faults in operation of the breaker, always check that the hydraulic power source is supplying the correct hydraulic flow and pr...
Page 26 - CHARGING THE MAIN ACCUMULATOR
26 ► MAXFORCE BREAKER User Manual CHARGING THE MAIN ACCUMULATOR The tools required to charge the breaker are shown be - low. The 33464 adapter and 33300 adapter assembly can be obtained individually or in a kit (P/N 33465). Note that the adapter and adapter assembly are designed to be used with the ...
Page 27 - CHARGING THE SIDE ACCUMULATOR
MAXFORCE BREAKER User Manual ◄ 27 CHARGING THE SIDE ACCUMULATOR The tools required to charge the breaker are shown be - low. The 33464 adapter and 33300 adapter assembly can be obtained individually or in a kit (P/N 33465). Note that the adapter and adapter assembly are designed to be used with the ...
Page 28 - RECOMMENDED TORQUE VALUES
28 ► MAXFORCE BREAKER User Manual RECOMMENDED TORQUE VALUES Part Name MBX138 MBX208 MBX258 MBX308 MBX358 MBX408 MBX458 MBX608 APPLY A Tie Rod Nut ¹ , ² 150 kg-m 1085 ft lbs 250 kg-m 1808 ft lbs 280 kg-m 2025 ft lbs 300 kg-m 2170 ft lbs 330 kg-m 2387 ft lbs 420 kg-m 3038 ft lbs 420 kg-m 3038 ft lbs 4...
Page 29 - BOLT PATTERNS; ACCESSORIES
MAXFORCE BREAKER User Manual ◄ 29 BOLT PATTERNS B J I F A E G H K L This side faces excavator MBX138 MBX208 MBX258 MBX308 MBX358 MBX408 MBX458 MBX608 A 19.606 in. / 498 mm 23.228 in. / 590 mm 27.953 in. / 710 mm 29.921 in. / 760 mm B 25.197 in. / 640 mm 29.921 in. / 760 mm 32.283 in. / 820 mm 35.276...
Page 30 - OLD
30 ► MAXFORCE BREAKER User Manual MBX408 - MBX458 UPPER BUMPER ITEM PART NAME PART NO. QTY 3 UPPER BUMPER SUPPORT 69418 1 8 UPPER BUMPER 69419 1 ITEM PART NAME PART NO. QTY 8A UPPER BUMPER 72984 1 8B UPPER BUMPER PLUG 72985 2 OLD NEW NOTE: This change on the MBX408 and MBX458 from old to new upper b...
Page 32 - FLOW TEST PROCEDURES; TEST PROCEDURE; HEAT LOAD TEST
32 ► MAXFORCE BREAKER User Manual FLOW TEST PROCEDURES The correct performance of this procedure will verify if the auxiliary circuit of the carrier is adequate to properly operate a Stanley attachment.This procedure is generic in form. It is the end users responsibility to ensure that this procedur...
Page 33 - SPECIFICATIONS
MAXFORCE BREAKER User Manual ◄ 33 SPECIFICATIONS NOTE: Weights, dimensions and operating specifications list - ed on this sheet are subject to change without notice. Where specifications are critical to your application, please consult the factory. MBX138 MBX208 MBX258 MBX308 MBX358 MBX408 MBX458 MB...
Page 34 - MBX138 POWER CELL ILLUSTRATION
34 ► MAXFORCE BREAKER User Manual MBX138 POWER CELL ILLUSTRATION 72332 Tie Rod Kit FOR ITEMS 39 AND 39A SEE PARTS LIST FOR CORRECT ITEM FOR YOUR SERIAL NUMBER FOR THESE TWO ITEMS SEE 39A ON PARTS LIST. NOTE: THESE TWO PARTS ONLY USED WITH ITEM 39 NOT 39A
Page 35 - MBX138 POWER CELL PARTS LIST
MAXFORCE BREAKER User Manual ◄ 35 MBX138 POWER CELL PARTS LIST ITEM P/N QTY DESCRIPTION 1 68677 1 MAIN ACCUMULATOR 2 68878 3 O-RING 3 68679 1 CHARGE VALVE 4 68680 1 PLUG 5 68681 1 O-RING 6A 73467 1 CYLINDER 7A 73474 1 PISTON 8 68684 3 PLUG 9A 68685 1 PLUG 10 68686 3 O-RING 11 68687 2 DOWEL PIN 12 68...
Page 37 - MBX208 POWER CELL ILLUSTRATION
MAXFORCE BREAKER User Manual ◄ 37 MBX208 POWER CELL ILLUSTRATION 72334 Tie Rod Kit FOR ITEMS 40 AND 40A SEE PARTS LIST FOR CORRECT ITEM FOR YOUR SERIAL NUMBER FOR THESE TWO ITEMS SEE 40A ON PARTS LIST. NOTE: THESE TWO PARTS ONLY USED WITH ITEM 40 NOT 40A
Page 38 - MBX208 POWER CELL PARTS LIST
38 ► MAXFORCE BREAKER User Manual MBX208 POWER CELL PARTS LIST ITEM P/N QTY DESCRIPTION 1 68801 1 MAIN ACCUMULATOR 2 68802 1 O-RING 3 68679 1 CHARGE VALVE 4 68680 1 PLUG 5 68681 1 O-RING 6A 73468 1 CYLINDER 7A 73475 1 PISTON 8 68805 3 PLUG 9A 68685 1 PLUG 10 68806 3 O-RING 11 68687 2 DOWEL PIN 12 68...
Page 40 - MBX258 POWER CELL ILLUSTRATION
40 ► MAXFORCE BREAKER User Manual MBX258 POWER CELL ILLUSTRATION 72336 Tie Rod Kit FOR ITEMS 40 AND 40A SEE PARTS LIST FOR CORRECT ITEM FOR YOUR SERIAL NUMBER FOR THESE TWO ITEMS SEE 40A ON PARTS LIST. NOTE: THESE TWO PARTS ONLY USED WITH ITEM 40 NOT 40A
Page 41 - MBX258 POWER CELL PARTS LIST
MAXFORCE BREAKER User Manual ◄ 41 MBX258 POWER CELL PARTS LIST ITEM P/N QTY DESCRIPTION 1 68864 1 MAIN ACCUMULATOR 2 68865 1 O-RING 3 68679 1 CHARGE VALVE 4 68680 1 PLUG 5 68681 1 O-RING 6A 73469 1 CYLINDER 7 68867 1 PISTON 8 68868 3 PLUG 9A 68685 1 PLUG 10 68869 3 O-RING 12 68687 2 DOWEL PIN 13 688...
Page 43 - MBX308 POWER CELL ILLUSTRATION
MAXFORCE BREAKER User Manual ◄ 43 MBX308 POWER CELL ILLUSTRATION 72338 Tie Rod Kit FOR ITEMS 40 AND 40A SEE PARTS LIST FOR CORRECT ITEM FOR YOUR SERIAL NUMBER FOR THESE TWO ITEMS SEE 40A ON PARTS LIST. NOTE: THESE TWO PARTS ONLY USED WITH ITEM 40 NOT 40A
Page 44 - MBX308 POWER CELL PARTS LIST
44 ► MAXFORCE BREAKER User Manual MBX308 POWER CELL PARTS LIST ITEM P/N QTY DESCRIPTION 1A 71660 1 MAIN ACCUMULATOR MBX308 2 68941 1 O-RING 3 68679 1 CHARGE VALVE 4 68680 1 PLUG 5 68681 1 O-RING 6B 73470 1 CYLINDER 7 68943 1 PISTON 8A 71662 4 PLUG 9A 68685 1 PLUG 10 68945 4 O-RING 11 — — NO ITEM 12 ...
Page 46 - MBX358 POWER CELL ILLUSTRATION
46 ► MAXFORCE BREAKER User Manual MBX358 POWER CELL ILLUSTRATION 72340 Tie Rod Kit FOR ITEMS 69 AND 69A SEE PARTS LIST FOR CORRECT ITEM FOR YOUR SERIAL NUMBER FOR THESE TWO ITEMS SEE 69A ON PARTS LIST. NOTE: THESE TWO PARTS ONLY USED WITH ITEM 69 NOT 69A
Page 47 - MBX358 POWER CELL PARTS LIST
MAXFORCE BREAKER User Manual ◄ 47 MBX358 POWER CELL PARTS LIST ITEM P/N QTY DESCRIPTION 1 69061 1 MAIN ACCUMULATOR 2 69062 1 O-RING 3 69065 2 FLANGE ADAPTER 4 69067 2 BACK UP RING 4A 72102 2 O-RING 5 69068 2 O-RING 6 69069 8 CAPSCREW 7 68809 2 ADAPTER CAP 7A 68807 2 ADAPTER 8 68679 1 CHARGING VALVE ...
Page 49 - MBX408 POWER CELL ILLUSTRATION
MAXFORCE BREAKER User Manual ◄ 49 MBX408 POWER CELL ILLUSTRATION 72342 Tie Rod Kit FOR ITEMS 70 AND 70A SEE PARTS LIST FOR CORRECT ITEM FOR YOUR SERIAL NUMBER FOR THESE TWO ITEMS SEE 70A ON PARTS LIST. NOTE: THESE TWO PARTS ONLY USED WITH ITEM 70 NOT 70A
Page 50 - MBX408 POWER CELL PARTS LIST
50 ► MAXFORCE BREAKER User Manual MBX408 POWER CELL PARTS LIST ITEM P/N QTY DESCRIPTION 1 69160 1 MAIN ACCUMULATOR 2 69161 1 O-RING 3 69162 2 FLANGE ADAPTER 4 69163 2 BACK UP RING 4A 72109 2 O-RING 5 69164 2 O-RING 6 69069 8 CAPSCREW 7 69165 2 PLUG 7A 72110 2 ADAPTER 8 68679 1 CHARGING VALVE 9 68680...
Page 52 - MBX458 POWER CELL ILLUSTRATION
52 ► MAXFORCE BREAKER User Manual MBX458 POWER CELL ILLUSTRATION 72344 Tie Rod Kit FOR ITEMS 70 AND 70A SEE PARTS LIST FOR CORRECT ITEM FOR YOUR SERIAL NUMBER FOR THESE TWO ITEMS SEE 70A ON PARTS LIST. NOTE: THESE TWO PARTS ONLY USED WITH ITEM 70 NOT 70A
Page 53 - MBX458 POWER CELL PARTS LIST
MAXFORCE BREAKER User Manual ◄ 53 MBX458 POWER CELL PARTS LIST ITEM P/N QTY DESCRIPTION 1 72120 1 MAIN ACCUMULATOR 2 72121 1 O-RING 3 69162 2 FLANGE ADAPTER 4 69163 2 BACK UP RING 4A 72109 2 O-RING 5 69164 2 O-RING 6 69069 8 CAPSCREW 7 69165 2 PLUG 7A 72110 2 ADAPTER 8 68679 1 CHARGING VALVE 9 68680...
Page 55 - MBX608 POWER CELL ILLUSTRATION
MAXFORCE BREAKER User Manual ◄ 55 MBX608 POWER CELL ILLUSTRATION 72346 Tie Rod Kit FOR ITEMS 40 AND 40A SEE PARTS LIST FOR CORRECT ITEM FOR YOUR SERIAL NUMBER FOR THESE TWO ITEMS SEE 40A ON PARTS LIST. NOTE: THESE TWO PARTS ONLY USED WITH ITEM 40 NOT 40A
Page 56 - MBX608 POWER CELL PARTS LIST
56 ► MAXFORCE BREAKER User Manual MBX608 POWER CELL PARTS LIST ITEM P/N QTY DESCRIPTION 1 72172 1 MAIN ACCUMULATOR 2 72173 1 O-RING 3 68679 1 CHARGING VALVE 4 68680 1 PLUG 5 68681 1 O-RING 6A 73473 1 CYLINDER 7A 73482 1 PISTON 8 72176 4 CAPSCREW 9A 68685 1 PLUG 10 72177 4 O-RING 11 69102 2 PLUG 12 6...
Page 58 - Hydraulic Tools; All; DECLARATION OF CONFORMITY
58 ► MAXFORCE BREAKER User Manual DECLARATION OF CONFORMITY DECLARATION OF CONFORMITY ÜBEREINSTIMMUNGS-ERKLARUNG DECLARATION DE CONFORMITE CEE DECLARACION DE CONFORMIDAD DICHIARAZIONE DI CONFORMITA DECLARAÇÃO DE CONFORMIDADE Hydraulic Tools ___________________________________________________________...
