CLAMP COLLAR
CRIMPING INSTRUCTIONS
MOBILECRIMP
®
4-20 DIGITAL DIAL
* See Adjustment Procedures and Footnotes at the end of mobileCrimp 4-20 DD & PS section.
The Gates Rubber Company
43
MobileCrimp® 4-20
Clamp Collar Crimping Instructions
Care must be taken when crimping clamp collars onto a hydraulic hose. If
crimp is too tight, hose will be crushed, dramatically reducing its service life.
If crimp is too loose, collar could slide along hose’s length causing abrasion
and eventual hose cover failure.
Remember
: Clamp collars must be crimped
before
the hose couplings.
Use the following instructions to determine crimp diameter, which can then
be used to find crimping setting in Table 2. The required clamp collar for a
specific hydraulic hose is provided in Table 1.
1. Measure hose’s outside diameter at the location where clamp collar
will be crimped. This can be accomplished by using a pie tape or by
using the average hose outside diameter measured with a dial
caliper.
2. Obtain crimp diameter by adding hose outside diameter to twice the clamp collar wall thickness (see
formula below).
Crimp Diameter = (Hose O.D.) + [2 x .065 (Clamp Collar Wall Thickness)]
When crimping clamp collar, the crimp die should be located in the center of the collar, which will result in a 1/8”
flare on each side of the collar.
Table 1
Description
Product
Number
Hydraulic Hose
Applications
Length
(In.)
MC 4-20
Die
CC1.12
7334-45805
10M2T, 10G2
2.250
MCC3
CC1.25
7334-45885
12M2T, 12G2, 12M4K
2.000
MCC4
CC1.37
7334-45895
12C12, 12G4K
2.000
MCC4
Table 2
MCC3 Die
MCC4 Die
Crimp
Diameter
Approx.
Setting
*
Crimp
Diameter
Approx.
Setting
*
1.050
260
1.250
260
1.055
270
1.255
270
1.060
282
1.260
282
1.065
293
1.265
293
1.070
303
1.270
303
1.075
315
1.275
315
1.080
325
1.280
325
1.085
335
1.285
335
1.090
347
1.290
347
1.095
358
1.295
358
1.100
370
1.300
370
1.105
380
1.305
380
1.110
390
1.310
390
1.115
400
1.315
400
1.120
412
1.320
412
1.125
423
1.325
423
1.130
435
1.330
435
1.135
445
1.335
445
1.140
455
1.340
455
1.145
465
1.345
465
1.150
477
1.350
477
1.155
488
1.355
488
1.160
500
1.360
500
1.165
510
1.365
510
Care must be taken when crimping clamp collars onto a
hydraulic hose. If crimp is too tight, hose will be crushed,
dramatically reducing its service life. If crimp is too loose,
collar could slide along hose’s length causing abrasion and
eventual hose cover failure.
Remember:
Clamp collars must be crimped before the
hose couplings.
Use the following instructions to determine crimp diameter,
which can then be used to find crimping setting in Table 2. The
required clamp collar for a specific hydraulic hose is provided
in Table 1.
1. Measure hose’s outside diameter at the location where
clamp collar will be crimped. This can be accomplished
by using a pie tape or by using the average hose outside
diameter measured with a dial caliper.
2. Obtain crimp diameter by adding hose outside diameter to
twice the clamp collar wall thickness
(see formula below).
Crimp Diameter = (Hose O.D.) + [2 x .065 (Clamp Collar
Wall Thickness)]
When crimping clamp collar, the crimp die should be located in
the center of the collar, which will result in a 1/8” flare on each
side of the collar.
175
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CLAMP COLLAR CRIMPING INSTRUCTIONS
