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AM5K User Manual
Rev Q
Oct 2007 Page 11 of 44
3.6 SYSTEM OPERATION
3.6.1 Determine cable size to be used – .490" to .190”. Since the wireline cable
actually bends over the tension wheel, the bend radius of the wireline
cable will affect the tension measurement.
3.6.2 Enter tension calibrate factor. These corrections are automatically made
in the WSDP Hoistman's panel by selecting the proper cable size from the
menu. If a different panel is used, enter the tension factor at this time.
SDDP
Calibrate
Values:
VALUES CABLE
SIZE
3250
15/32"
through
.472"
3480
7/16"
4171
3/8"
4656
5/16"
4808
9/32"
6187
7/32"
"Comprobe" Calibrate Values:
VALUES CABLE
SIZE
10000
15/32"
through
.472"
10700
7/16"
12800
3/8"
14300
5/16"
14800
9/32"
19000
7/32"
SDDP-A or SDDP-B Load Cell Angle
Standard Shallow Groove Tension Wheel = 0
.472 cable with Severe Load (Deep Groove) Tension Wheel = 131
.484 cable with Severe Load (Deep Groove) Tension Wheel = 128
.490 cable with Severe Load (Deep Groove) Tension Wheel = 125
Note: As the groove in the tension wheels wears deeper, the angle will
decrease causing the output signal to decrease. To compensate for this
the Load Cell Angle will need to be increased.
3.6.3 Install line in measuring head (refer to section 3.2).
3.6.4 Make sure line is lying slack and head is free to move. Press the Ten
Zero Cal button and tension value should read 0.
3.6.5 Press the Ten Cal button and tension should read the value indicated in
paragraph 3.6.2.
3.6.7 At this point, the system is ready to log. Watch for visual indications of
problems such as excessive vibration, wheel or roller slippage or lockups
that signify bearing or shaft failures, or cable tracking problems.