Milwaukee MK-Manta I User Manual download pdf (Page 15)

MANTA I

Revision 03/05, Effective Date March 2, 2005

MANTA I

Revision 03/05, Effective Date March 2, 2005

If within one (1) year from the date of purchase, this MK Diamond drill

fails due to a defect in material or workmanship, MK will repair it, free

of charge, by returning the unit to the dealer where it was purchased.

This warranty DOES NOT cover normal wear or damage resulting from

operator abuse. In no event shall MK Diamond Products, Inc. be liable

for consequential damages arising out of the failure of any product if

operating improperly. Selected components such as motors/engines

are excluded from this warranty and are subject to the manufacturer’s

warranty. Each manufacturer carries its own warranty conditions which

are listed on the literature accompanying the motor/engine at the time

of purchase. MK Diamond Products may act as a warranty station

for the motor/engine repairs based on individual agreement with the

manufacturer. This warranty is in lieu of all other warranties expressed or

implied.

Warranty Information

PROBLEM

Bit Stuck

Shear Pin Fail

WHAT TO DO?

1. Try to raise

bit, if impossible:

2. Stop rotation

1. Stop rotation

2. Raise bit

INDICATION

Loose material

(cut steel or

aggregates) is

blocking between

core and bit or

between borehole

and bit.

Drill moved during

drilling (poor

fastening).

Bit deviates, guide

ways on cradle

have too much

clearance.

No clearance

between tube I.D.

or O.D. and crown

I.D. or O.D.

Drill impacted

to stall at lower

speeds.

SOLUTION/ RECOMMENDATIONS

Step 1: Apply wrench and rotate

bit in both directions while bit is

under tension. If not successful:

Step 2: Try to over drill a hole

slightly larger than the stuck bit.

Disconnect bit and remove,

break core. Start over with

improved fastening of machine.

Disconnect machine, adjust

guidance.

Replace bit.

Use recommended speed for

the bit diameter used. Raise bit

when it begins to load down.

Feed bit slowly when chattering

begins.

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Milwaukee MK-Manta I User Manual Page 15

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