LSI GS Cable Reel Length Sensor Installation

Installation & Users Manual

(Part of the GS Series Installation Manuals)

Before proceeding read and understand the following:

For your safety and that of the people that come into contact with LSI products, understand the significance of the instructions included in this guide, respect all laws and regulations and comply with applicable standards. Pay particular attention to items bearing the alert symbol:

 

and the following words:

2.5 LSI GS Cable Reel Length Sensor Installation

The LSI GS cable reel length sensor includes the GS112 cable reel and the GS011 angle/length sensor. The GS011 is concealed under the cover of the GS112, though the antenna is visible. Following cable reel installation and boom length indication calibration, boom angle indication will have to be verified and possibly calibrated. Refer to Angle Calibration Procedure № 1: Mechanical Set-Up and Angle Calibration Procedure № 2: Correct with the GS550, sections of this manual.

2.5a Maximum Boom Extension

Confirm the maximum extension of the LS101 cable reel is compatible with the maximum boom length.

Step 1. Note the cable reel maximum extension: 100 feet (30.5 metres) unless specified otherwise.
T = ____________________

Step 2. Note the retracted boom length.
A = ____________________

Step 3. Note the maximum extended boom length, not including jib.
B = ____________________

Step 4. Calculate maximum boom extension.
C = B – A = ____________________

Step 5. Compare cable reel maximum extension (T) to maximum boom extension (C).
D = T – C = ____________________

Maximum cable reel extension must be greater than maximum boom extension.

2.5b Mounting the LSI GS Cable Reel Length Sensor

1. Determine placement of the LSI GS cable reel length sensor. Find a clear mounting position on the left side of the first (main) section of the boom. The mounting position should be close to the base of the boom; at least ten feet (three metres) from the tip of the first section and where the cable reel won’t obstruct free boom movement at all boom angles and slew (swing) positions. Furthermore, the reel must be placed such that the cable has a clear straight line to the end of the last section at all boom lengths.

2. Mount the welding tabs. They must be placed parallel to each other, with 16 1/8” inches between the holes’ centres. Install the tabs such that they create a level mounting position in line with the boom at 0 degrees.

3. Attach the LSI GS cable reel length sensor to the welding tabs with the bolts provided.

4. Install the first cable guide (PA111) about 10 feet (3 metres) from the cable reel. Correct alignment of the first guide is critical to ensure orderly winding of the cable on the reel. Install the other guides at the end of each of the intermediate sections and the anchor (PA113) at the end of the last section. All guides must be aligned so as to permit unobstructed movement of the cable.

5. Pull out at least 5 feet (1-1/2 metres) of cable, but not more than half the excess extension of measurement D. Feed through the cable guides and attach to the cable anchor on the tip of the last boom section. If additional cable length is required to reach the cable anchor point remove winds from the reel without putting additional tension on the cable reel spring. There should be minimal tension on the cable reel spring when the boom is fully retracted.

6. Verify the boom length indicated on the GS550 LCD. Boom length is indicated following the length abbreviation “L”, typically on the first or second display operation page. Boom length indicated should equal the actual total boom length. The actual boom length is the distance from the boom base pin to the head sheave centre as measured along the boom centreline. Depending on the exact placement of the cable reel and the cable anchor the displayed length may differ from the actual length.

2.5c LSI GS Cable Reel Length Sensor, Boom Length Calibration Procedure № 1: Mechanical Set-Up

1. Fully retract the boom

2. Adjust the loose wire rope at the boom tip so that the displayed boom length matches the actual boom length.

3. Fully extend the boom

4. Verify the boom length indicated at full boom extension matches the actual fully extended boom length. If not then follow LSI GS Cable Reel Length Sensor Boom Length Calibration Procedure № 2: Correct with the GS550.

2.5d LSI GS Cable Reel Length Sensor, Boom Length Calibration Procedure № 2: Correct with the GS550

If the displayed boom length does not match the actual length of the boom retracted or extended and if it is not possible to easily correct by following 2.6c Boom Length Calibration Procedure № 1, then follow this procedure. This procedure is completed in the operators cab, it requires fully retracting, and then fully extending the boom, as prompted by the on screen instructions.

1. Go to menu 4B) SENSOR CALIBRATION.

2. Press Enter to go to the password page.

3. Enter the user password and press Enter twice to go to menu 4B1A).

4. Use Back and Next to select the length sensor, and then press Enter to confirm communication with the sensor is possible.

5. Press Next to start the wizard.

6. Note the units that will be used during the calibration wizard, and then press Next.

7. Fully retract the boom, and then press Next.

8. Use Up and Down to adjust the length value displayed to equal the actual fully retracted boom length, and then press Next.

9. Fully extend the boom, and then press Next.

10.Use Up and Down to adjust the length value displayed to equal the actual fully extended boom length, and then press Next.

11. Note the new trim value, and then press Next.

12.Note the new scale value, and then press Next.

13.Press Enter to send the new calibration to the length sensor.

14.Press Exit three times to return to the operation display.

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