MBW MM91 Operator's Manual

Mortar & plaster mixers

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O
PERATOR
S
AND
ERVICE
MM91 & MM121
This manual covers the following serial numbers
and higher for each model listed:
MM121 . . . . . . . . . . . . . . . . . . . 7090001
MM91.......................................7150001
M
& P
ORTAR
MBW, Inc.
250 Hartford Rd • PO Box 440
Slinger, WI 53086-0440
Phone: (262) 644-5234
Fax: (262) 644-5169
Email: mbw@mbw.com
Website: www.mbw.com
'
S
S
AFETY
M
ANUAL
M
LASTER
MBW (UK) Ltd.
UnitS 2 & 3 Crochrane Street
Bolton BL3 6BN
Phone: 01204 387784
Fax: 01204 387797
IXERS
MBW FRANCE S.A.R.L.
Z.A. d'Outreville
11 rue Jean Baptiste Néron,
60540 BORNEL
FRANCE
Phone: +33 (0) 3 44 07 15 96
Fax: +33 (0) 3 44 07 41 28
Email: mbwfrance@free.fr
L18622 / 04.13.D
©MBW, Inc. 2005
Printed in the USA

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Summary of Contents for MBW MM91

  • Page 1 AFETY ERVICE ANUAL MM91 & MM121 This manual covers the following serial numbers and higher for each model listed: MM121 ....7090001 MM91........7150001...
  • Page 2: Table Of Contents

    ABLE ONTENTS Safety Information ..... . 1 Changing Hydraulic Filter ..... . 7 Changing Hydraulic Oil &...
  • Page 3 CALIFORNIA PROPOSITION 65 WARNING Engine exhaust and some of its constituents are known in the state of California to cause cancer, birth defects, and other reproductive harm.
  • Page 4: Safety Information

    MBW does monoxide, a poisonous, odorless, invisible not by the publication of these precautions, imply or in any gas. Death or serious illness may result if way represent that these are the sum of all dangers present inhaled.
  • Page 5 CAUTION(PRECAUCIÓN) CAUTION(PRECAUCIÓN) Improper towing can lead to damage or injury. Read the operating instructions before operating this piece of equipment. Before Towing: Lea las Instrucciones Operativas antes de hacer funcionar esta parte del equipo. 1. Check running gear and tow bar. Keep unauthorized, inexperienced, untrained people away from this equipment.
  • Page 6: Specifications

    PECIFICATIONS MM91 MM121 Batch Capacity 9 cu. ft. (0.26 cu. m.) 12 cu. ft. (0.34 cu. m.) Batch Size 3 - 3.5 bags 3.5 - 4.5 bags Baldor 5 hp ³ Baldor 5 hp Honda Gx390 23.7 in Baldor 5 hp Baldor 5 hp ³...
  • Page 7: Operation

    PERATION Introduction Move choke lever to open position. Allow engine to warm up for one or two minutes. MBW equipment is intended for use in very severe applications. They are powered by reliable four cycle Starting Motor engines. Check that both operating levers are in the STOP, or This parts manual contains only standard parts.
  • Page 8: Stopping Motor

    Towing Stop the engine or motor. Always stop engine before adding fuel. Close and latch the engine shroud. Stop engine before leaving mixer unattended for Secure the tow pole and safety chains to the vehicle. any amount of time. Stopping Motor Always check that axle, front leg, and tow pole hardware is tight before towing.
  • Page 9: Maintenance

    Retorque lug nuts, front leg, and axle hardware after the first 25 miles travelled, the follow the maintenance schedule. Change filter after the first 10 hours of use, then follow the maintenance schedule. Fluid Levels SYSTEM FLUID VOLUME RECOMMENDED OIL Model MM91 MM121 Chevron Rykon AW ISO 32 Hydraulic Oil Hydraulics 13.5 gallons 15 gallons Engine...
  • Page 10: Lubrication

    Apply clean oil to filter gasket, and install new filter hands or objects inside drum. (MBW #08164). Disconnect 3/4” hose (#26) from fitting (#18). Always reconnect safety grid opener to grid after cleaning drum.
  • Page 11: Service

    ERVICE Assembly and disassembly should be performed by a Engine Shroud Removal service technician who has been factory trained on MBW Refer to Shroud & Chassis Assembly, page 12. equipment. The unit should be clean and free of debris. Pressure washing before disassembly is recommended.
  • Page 12: Drum Installation

    Drum Installation 14. Install new seal kits into the back side of each trunnion in the following order: Steel Washer, Soft Refer to Drum Assembly, page 14. Black Seal, Steel Washer, Soft Black Seal, Steel Washer, Hard Red Seal. Lower drum onto frame supports. Pillow blocks (#5) 15.
  • Page 13: Hydraulic Relief Valve Adjustment

    Reinstall inspection cover. 1,850 psi, the relief valve needs adjustment. NOTE: If pressure climbs over 1,850 psi, the engine may Reinstall the engine shroud. stall. Loosen the jam nut on the relief cartridge located on Hydraulic Relief Valve Adjustment the left side of the valve block. Remove the engine shroud.
  • Page 14: Replacement Parts

    Their sales engineers are available for professional consultation. If you cannot locate an MBW distributor in your area, contact MBW or one of our Sales Branches listed below. When ordering replacement parts, be sure to have the following information available: •...
  • Page 15: Shroud & Chassis Assembly

    00 Shroud & Chassis Assembly - 12 -...
  • Page 16 ITEM PART NO. DESCRIPTION MM91 MM121 01158 HITCH PIN 01175 DUST COVER 05844 WHEEL NUT, 1/2-20 06442 WHEEL, ST175/80D13 07592 SPLICE TERMINAL 16564 TOW POLE, BALL HITCH (Includes 35-37) 16773 TOW POLE, PINTLE HITCH (Includes 35-37) 16750 RUBBER BUMPER 16783...
  • Page 17: Drum Assembly

    Drum Assembly - 14 -...
  • Page 18 ITEM PART NO. DESCRIPTION MM91 MM121 01056 HAIRPIN, 1/8” x 2-3/8” LONG 01177 GREASE FITTING 01280 SOCKET HEAD SHOULDER SCREW, 3/8” x 3/8” 01550 BALL BEARING (Includes seal & locking collar) 05002 PILLOW BLOCK 05082 GRID SUPPORT BRACKET 05475 RETAINING RING...
  • Page 19: Paddle Assembly

    02725 Paddle Assembly - 16 -...
  • Page 20 ITEM PART NO. DESCRIPTION MM91 MM121 17108 MAIN SHAFT, MM121 MAIN SHAFT, MM91 18601 17570 PADDLE ASM, END RIGHT (Includes 6-7,10-11,13-17) 17571 PADDLE ASM, CENTER RIGHT (Includes 8-9,13,17) 17572 PADDLE ASM, CENTER LEFT (Includes 8-9,13,17) 17573 PADDLE ASM, END LEFT (Includes 6-7,10-11,13-17)
  • Page 21: Hydraulic Components

    Hydraulic Components - 18 -...
  • Page 22 ITEM PART NO. DESCRIPTION 08164 FILTER ELEMENT 08168 HYDRAULIC FITTING, SAE-JIC ELBOW 08213 HYDRAULIC FITTING, SAE-JIC STRAIGHT 08218 HYDRAULIC FITTING, SAE-JIC STRAIGHT 08519 HYDRAULIC FITTING, SAE-JIC STRAIGHT 16166 DRAIN PLUG, MAGNETIC 16666 17126 KEY, 3/8” SQUARE x 1-5/8” LONG 17142 CHAIN, COUPLER (Includes connecting link*) 17148 SPROCKET, COUPLER...
  • Page 23: Engine Assembly

    Engine Assembly - 20 -...
  • Page 24 ITEM PART NO. DESCRIPTION MM91 MM121 01161 KEY, 1/4” SQUARE x 1-1/2” LONG 08213 HYDRAULIC FITTING, SAE STRAIGHT 09746 HYDRAULIC FITTING, SAE ELBOW 09822 HYDRAULIC FITTING, SAE STRAIGHT 12887 ENGINE, HONDA 13hp 07767 ENGINE, HONDA 11hp 17491 HYDRAULIC PUMP 18610...
  • Page 25: Warranty

    1.This warranty does not cover any Used Equipment. "Used Equipment" such replacement or repair is the exclusive remedy provided hereunder. means any MBW machine or equipment that is not a New Machine or a Labor must be performed at an authorized MBW distributor. MBW Demonstration Machine.

This manual is also suitable for:

Mm121

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