FEATURES AND BENEFITS
PREVENTIVE MAINTENANCE
The service life of a tool can be greatly improved with proper care and maintenance. To extend
the life of your BURNDY® MRC840 mechanical crimp tool keep it clean and well lubricated. Oil
all pivoting points every three months.
SERVICE
OTHER THAN THE MAINTENANCE TASKS DESCRIBED ABOVE, THESE TOOLS ARE NOT
USER SERVICEABLE. COMPLETE DISASSEMBLY OF THE TOOL IS NOT RECOMMENDED.
SHOULD SERVICE BE REQUIRED, RETURN THE TOOL TO THE BURNDY® TOOL SERVICE
CENTER OR A BURNDY® AUTHORIZED TOOL REPAIR CENTER. CALL 1-800-426-8720 FOR
ADDITIONAL INFORMATION.
FEATURES
BENEFITS
-Comfort grip handles
Aids in prevention of hand slippage
-Heat treated steel jaws
Reduces jaw buckling and missalignment
under heavy loading
-No tool adjustment required
Provides reliable & consistent crimps
-Approximately 9000 crimp cycle life
Lasts longer than imitations and will still be
working when others have worn out
-Diewheel locking plate w/rotatable die wheel
Easily indexed to the desired crimp position
Ensures a quality crimp
-Multiple crimp selections on a rotatable die
wheel
No lost dies
-High strength fasteners
Increases tool life by reducing tool wear
-Plated jaws
Provides enhanced corrosion protection
SPECIFICATIONS
Crimps YA, YA-L, YS, YS-L series connectors on #8 AWG through 4/0 AWG stranded copper conductor.
Connector/conductor combinations are UL
Listed when installed in accordance with the installation chart.
OPERATION
The color coded rotatable crimp die wheel rotates to provide a proper match of the die wheel and
color coded connector. The die index is embossed onto the connector after the crimp is completed
for permanent inspection capability.
To index die wheel to desired crimp position:
A.
B.
C.
D.
Open handles fully.
Press die pin.
Rotate die to the desired crimp groove.
Release die pin. Be sure the locking plate is back in its home position.
For more information contact:
BURNDY®
150 BURNDY Road
Littleton, NH 03561
or call, toll free 1-800-426-8720
Additional or replacement manuals may be obtained free of charge from the BURNDY® Service Center.
CAUTION:
The locking plate must be in the home position. Cycling the tool with the locking
plate out from the home position may result in permanent damage to the die pin.
INSTALLATION CHART
DIE PLATE
(HOME POSITION)
DIE PIN
(REVERSE SIDE)
MRC840 TOOL INSTALLATION CHART
CONDUCTOR
(COPPER)
CONNECTOR (CU)
COLOR
CODE
DIE
INDEX
NO. OF
CRIMPS
2 CRIMPS
HYLUG™
TERM
HYLINK™
SPLICE
#8 AWG STR.
YA8C-
YS8C-
RED
49
1
ST
ANDARD BARREL
(-L)
2
LONG BARREL
#6 AWG STR.
YA6C-
YS6C-
BLUE
7
1
2
#5 AWG STR.
YA5C-
YS5C-
BLUE
7
1
2
#4 AWG STR.
YA4C-
YS4C-
GRAY
8
1
2
#2 AWG STR.
YA2C-
YS2C-
BROWN
10
1
2
#1 AWG STR.
YA1C-
YS1C-
GREEN
11
1
2
1/0 AWG STR.
YA25-
YS25-
PINK
12
2
4
2/0 AWG STR.
YA26-
YS26-
BLACK
13
2
4
3/0 AWG STR.
YA27-
YS27-
ORANGE
14
2
4
4/0 AWG STR.
YA28-
YS28-
PURPLE
15
2
4
THE ABOVE CONNECTOR/CONDUCTOR COMBINATIONS ARE UL LISTED WHEN
INSTALLED WITH THIS TOOL.
OIL ALL PIVOTING POINTS EVERY THREE MONTHS