Page 2 - WARNING
2 ► MBX15 User Manual 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 equipment! • A flyin...
Page 3 - IMPORTANT; TABLE OF CONTENTS
MBX15 User Manual ◄ 3 IMPORTANT To fill out a Product Warranty Recording form, and for information on your warranty, visit Stanleyhydraulics.com and select the Company tab, Warranty. ( NOTE: The warranty recording form must be submitted to validate the warranty). SAFETY PRECAUTIONS ....................
Page 4 - GENERAL SAFETY PRECAUTIONS; SAFETY PRECAUTIONS
4 ► MBX15 User Manual 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 before operating the tool and befo...
Page 6 - LOCAL SAFETY REGULATIONS; DANGER; CAUTION; CAUTION; NOTICE; SAFETY SYMBOLS
6 ► MBX15 User Manual 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 personnel. Safety symbols and s...
Page 7 - TOOL DECALS
MBX15 User Manual ◄ 7 Shown below and on the next page are decals and stickers found on the equipment that provide important informa- tion. Replace decals and stickers when they are no longer legible. Decals may not be of actual size. Part Number 47351 Warning: Read Manual, Use Breathing, Hearing, E...
Page 8 - PREPARATION FOR OPERATION; PRE-INSTALLATION INSTRUCTIONS
8 ► MBX15 User Manual PREPARATION FOR OPERATION NITROGEN CHARGE The breaker has been properly charged with nitrogen at the factory and is ready to use (see page 20) for charg- ing information. TOOL BIT LUBRICATION Grease the top 250 mm/10 inches of the breaker tool bit before installing. During oper...
Page 9 - SECURING THE TOOL; PROCEDURE
MBX15 User Manual ◄ 9 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 rubber plug (item 35) and the retainer ...
Page 10 - PREPARATION FOR USE; POSITIONING THE EXCAVATOR; MAINTAIN DOWN PRESSURE; OPERATION
10 ► MBX15 User Manual 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 THE EXCAVATOR Figure ...
Page 11 - BREAKING
MBX15 User Manual ◄ 11 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 occurring and the breaker s...
Page 12 - BLANK FIRING
12 ► MBX15 User Manual 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 correctly. Binding also cau...
Page 13 - UNDERWATER USE
MBX15 User Manual ◄ 13 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 warranty coverage if you hav...
Page 14 - EACH DAY; TOOL STOP & LOWER BUSHING; PERIODIC MAINTENANCE CHECKS
14 ► MBX15 User Manual 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 the lower body each m...
Page 15 - BLANK FIRING OR FREE RUNNING; PROPER USE & CARE OF TOOL BITS
MBX15 User Manual ◄ 15 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 should be used to avoid scratches or gouges on the...
Page 17 - INTERNAL MATERIAL FLAW
MBX15 User Manual ◄ 17 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- sult is an inherent weakness in the tool shank...
Page 19 - TROUBLESHOOTING
MBX15 User Manual ◄ 19 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 pressure to the breaker as li...
Page 21 - RECOMMENDED TORQUE VALUES
MBX15 User Manual ◄ 21 MBX15 TORQUE TABLE ITEM NO. ILLUSTRATION DESCRIPTION APPLY FT/ LB NM 3 POWER CELL CHARGE VALVE LOCTITE™ 242 75 101 8 POWER CELL O-RING PLUG LOCTITE™ 242 130 176 2 HOUSING CAPSCREW — 455 617 5 HOUSING MTG BRKTNUT — 455 617 41 POWER CELL TIE RODNUT 1 KOPR KOTE™ 720 976 9 POWER C...
Page 22 - FLOW TEST PROCEDURES
22 ► MBX15 User Manual 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 procedure will work with his specific ty...
Page 24 - MBX15 POWER CELL ILLUSTRATION
24 ► MBX15 User Manual 72330 Tie Rod Kit MBX15 POWER CELL ILLUSTRATION When installing the tool retainer pin (item 28) make sure the rubber plug (item 35) is fully seated. The rubber plug MUST be installed BELOW FLUSH to properly secure the pin.
Page 25 - MBX15 POWER CELL PARTS LIST
MBX15 User Manual ◄ 25 ITEM P/N QTY DESCRIPTION 1 71592 1 MAIN ACCUMULATOR 2 71593 3 O-RING 3 68679 2 CHARGE VALVE 4 68680 2 PLUG 5 68681 2 O-RING 6 71594 1 CYLINDER 7 71595 1 PISTON 8 71596 3 PLUG 9A 71597 1 PLUG 10 71598 3 O-RING 11 68688 2 ADAPTER 12 68689 2 O-RING 13 68690 2 ADAPTER CAP 14 71599...
Page 26 - MBX15 HOUSING PARTS
26 ► MBX15 User Manual ITEM P/N QTY DESCRIPTION 1A 71160 1 MBX15 POWER CELL W/CROSS CUT TOOL BIT 1 66680 1 UPPER BUMPER 72331 1 HOUSING FLANGE BOLT KIT (INCL ONE ITEM 2, TWO ITEM 3 & ONE ITEM 5) 2 30949 8 CAPSCREW 3 17559 16 WASHER 4 32243 1 PRESSURE SPEC STICKER 5 22181 8 NYLOCK NUT 6 70752 2 S...
Page 27 - All; DECLARATION OF CONFORMITY
MBX15 User Manual ◄ 27 DECLARATION OF CONFORMITY ÜBEREINSTIMMUNGS-ERKLARUNG DECLARATION DE CONFORMITE CEE DECLARACION DE CONFORMIDAD DICHIARAZIONE DI CONFORMITA Hydraulic Tools ______________________________________________________________________ I, the undersigned: Ich, der Unterzeichnende: Je sou...
