Stanley Black & Decker MB656 Wear Tolerances, Lower Bushing Item, Tool Stop Item, Piston

Page 19

NEW	REJECT LIMIT

LOWER BUSHING (ITEM 48)

3.015 in. / 76.6 mm	3.130 in. / 79.5 mm

TOOL STOP (ITEM 42)

	A) 3.015 in. / 76.6 mm	A) 3.130 in. / 79.5 mm
	Inside Diameter	Inside Diameter

	B) .60 in. / 15.2 mm	B) .48 in. / 12 mm Depth
	Depth	B) .48 in. / 12 mm Depth
	Depth

RETAINER PIN (ITEM 20)

2.118 in. / 53.8 mm	2.033 in. / 51.6 mm
Outside Diameter	Outside Diameter

RETAINER PIN (ITEM 43)

.75 in. / 19 mm	.67 in. / 17 mm
Outside Diameter	Outside Diameter

PISTON

2.595 in. / 66 mm Depth 2.905 in. / 73.8 mm

WEAR TOLERANCES

FIGURE 14. LOWER BUSHING

Wear Areas	A	B
	A

C C=Measure at 1.2 in./30 mm

FIGURE 15. TOOL STOP

FIGURE 16. RETAINER PIN

Wear Limit

New Part

FIGURE 17. PISTON

MB656 User Manual ◄ 19

Image 19

Contents MB656 Weisbeck, Andy Declaration of ConformityTable of Contents Local Safety Regulations Safety SymbolsSafety Precautions Be Thoroughly Trained Before Operating the Unit Alone Obey Safety RulesKnow the Work Conditions Parking Brake Tool Stickers & Tags 66219 Guaranteed Sound Power Level StickerPRE-OPERATION Procedures PRE-INSTALLATION InstructionsOperation Positioning the Carrier Operating a BreakerLong Term Storage Preparation for USEBackhoes Positioning the Breaker Tool on the Work MaterialBreaking Maintain Down PressureBlank Firing Grease the BIT Underwater UsageProblem Cause Solution TroubleshootingDaily Maintenance Checks MaintenanceTool Stop and Lower Bushing Normal Charging the AccumulatorHose Routings Flow Control KIT InstructionsRetainer PIN Item Wear TolerancesLower Bushing Item Tool Stop ItemBlank Firing or Free Running Tool Failure not Covered Under WarrantyWORN-OUT Front Bushings or Retainer Pins Proper USE & Care of Tool BitsCorrosion PryingInternal Material Flaw Tool Failure Covered Under WarrantyChisel MoilBlunt Test Procedure Flow Test ProceduresHeat Load Test TroubleshootingTool DefinitionsDimensions and Weights SpecificationsMiscellaneous AccessoriesMB656 Power Cell Illustration Housing Parts Illustration Charge Valve Assy Incl MB656 Parts ListMB656 Mounting Brackets Page Stanley Hydraulic Tools SE Naef Road Milwaukie, Oregon