
MB656
User
Manual ◄ 27
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 fill with grease. The power cell
must be removed to repair.
NOTE: Weights, dimensions and operating specifications listed on this sheet are subject to change
without notice. Where specifications are critical to your application, please consult the dealer.
SPECIFICATIONS
Summary of Contents for MB656
Page 29: ...MB656 User Manual 29 MB656 POWER CELL ILLUSTRATION...
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