Stanley Black & Decker MB656 user manual Underwater Usage, Grease the BIT

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OPERATION

While “Blank Firing” cannot always be avoided, it can be kept to a minimum by avoiding the above conditions as much as possible.

UNDERWATER USAGE

Underwater usage of the breaker will cause damage to internal components. Even if the breaker is partially submerged, water is introduced to an area between the tool bit and piston. On the piston down cycle, the water becomes compressed and damages adjacent compo- nents.

Do not use underwater without supplying air to breaker Do not use underwater without supplying air to breaker.

Figure 10. Underwater Restrictions

CAUTION

No part of the breaker may be submerged in

water. Underwater usage of the breaker will cause internal damage to the breaker. Consult Stanley for modifications and specific warranty coverage if you have an underwater requirement.

The breaker is equipped with an underwater port on the side of the breaker. Connect an air line to this port and supply the required air pressure and flow to the breaker when using underwater. The following chart shows the air flow rate and pressure required for various depths of operation.

Depth/Feet

Pressure/PSI

Air Flow Rate/

cfm

60

53

69

50

44

60

40

35

52

30

27

44

25

22

39

20

18

35

15

13

31

10

9

27

5

4

23

0

0

18

GREASE THE BIT

Grease should be applied to the upper end of the break- er tool bit each time it is installed. Thereafter, the tool should be greased at the fitting to reduce wear in the lower body and bushings of the tool. See Greasing The Tool Bit in the sections titled Pre-Operation Procedures.

14 ► MB656 User Manual

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Contents MB656 Declaration of Conformity Weisbeck, AndyTable of Contents Safety Symbols Local Safety RegulationsSafety Precautions Know the Work Conditions Obey Safety RulesBe Thoroughly Trained Before Operating the Unit Alone Parking Brake 66219 Guaranteed Sound Power Level Sticker Tool Stickers & TagsOperation PRE-INSTALLATION InstructionsPRE-OPERATION Procedures Preparation for USE Operating a BreakerLong Term Storage Positioning the CarrierPositioning the Breaker Tool on the Work Material BackhoesMaintain Down Pressure BreakingBlank Firing Underwater Usage Grease the BITTroubleshooting Problem Cause SolutionTool Stop and Lower Bushing MaintenanceDaily Maintenance Checks Charging the Accumulator NormalFlow Control KIT Instructions Hose RoutingsTool Stop Item Wear TolerancesLower Bushing Item Retainer PIN ItemProper USE & Care of Tool Bits Tool Failure not Covered Under WarrantyWORN-OUT Front Bushings or Retainer Pins Blank Firing or Free RunningPrying CorrosionTool Failure Covered Under Warranty Internal Material FlawBlunt MoilChisel Flow Test Procedures Test ProcedureTroubleshooting Heat Load TestDefinitions ToolSpecifications Dimensions and WeightsAccessories MiscellaneousMB656 Power Cell Illustration Housing Parts Illustration MB656 Parts List Charge Valve Assy InclMB656 Mounting Brackets Page Stanley Hydraulic Tools SE Naef Road Milwaukie, Oregon