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MB656 User Manual ◄ 27
SPECIFICATIONS
DIMENSIONS AND WEIGHTS
Weight w/Tool Bit, & Mounting Bracket .................................................................................................872 lbs/396 kg
Length w/Tool Bit & Mounting Bracket ............................................................................................. 66.5 in./1689 mm
Tool Working Length .............................................................................................................................18 in./457 mm
Tool Diameter ...........................................................................................................................................3 in./76 mm
Hydraulic Pressure (working) ......................................................................................... 1700–1900 psi/117–131 bar
Flow Range
Minimum ...........................................................................................................................................16 gpm/60 lpm
Maximum ..........................................................................................................................................24 gpm/91 lpm
System Relief (min. cracking) ...........................................................................................................2500 psi/172 bar
Return Line Pressure (max.) ................................................................................................................350 psi/24 bar
Operating Oil Temperature (max.) .......................................................................................................... 190 °F/88 °C
Adapter Fitting Size .............................................................................................................................-12 SAE O-ring
Recommended Min. Hose ID ............................................................................................................................3/4 in.
Blows Per Minute......................................................................................................................... 600 min./1000 max.
Impact Energy Class .......................................................................................................................... 875 ft lb/1200 J
Sound Power Level ....................................................................................................................................... 121 dBA
Carrier Size (Skidsteer) .............................................................................................12000-14400 lb / 5448-6538 kg
Carrier Size (Mini Excavator).......................................................................................9100-20000 lb / 4131-9000 kg
Carrier Size (Backhoe) ................................................................................................9100-20000 lb / 4131-9000 kg
TORQUE TABLE
Item No. Illustration Description Apply Ft/Lb Nm
46 Power Cell Hollow Hex Plug -12 SAE Loctite™ 242 150 203
32 Power Cell Tie Rod Nut Kopr Kote™ 650 881
6 Power Cell Charge Valve Loctite™ 242 80 108
13 Power Cell Capscrew Loctite™ 242 85 115
60 Housing Capscrew Kopr Kote™ 455 617
58 Housing Nut Kopr Kote ™ 455 617
11 Power Cell Accumulator Cap Anti-Seize 200 271
NOTES FOR ITEM 30 ASSEMBLY:
• Tighten in a cross pattern.
• Thread into nut by hand.
• Thread tie rod into nut by hand.
• Use Loctite™ to prevent plug from falling out. If plug falls out, the housing will ll with grease. The power cell
must be removed to repair.
NOTE: Weights, dimensions and operating specications listed on this sheet are subject to change with-
out notice. Where specications are critical to your application, please consult the dealer.