Functions of and How to Use Ad j ustment Mode

7. Moment Adjustment

Before making an adjustment, extend the outriggers fully and set the crane on firm ground for

[NOTICE]

Before starting moment adjustment, raise the hydraulic oil temperature to approx.122° F(50°C) by alternate raising and lowering the boom. Refer to “Adjustment Value Table” in the INFORMATION AND DATA section since the conditions and values for moment adjustment vary depending on the specification number. For the models other than TR-450XL-4, TR-500XL-4, TR-300XL-4, TR-150XL-4, TR-600XXL-4, TR-800XXL-4 refer to the Service Manual specified for each crane model.

If the moment zero-point value is not within the tolerance at “7.6 Moment Zero-point Recheck”, follow the fine adjustment steps of the broken line process order.

The procedure to adjust moment is as follows:

Functions of and How to Use Ad j ustment Mode

7.1 Moment Zero-point Adjustment [NOTICE]

For the conditions and adjustment value of the moment zero-point adjustment, refer to the moment zero-point adjustment item in the “Adjustment Value Table”.

Set the crane as follows:

(1)Outriggers mode: Fully extended

(2)Lift mode: Boom lift (Stow jib and single top)

(3)Boom length: Fully retracted

(4)Boom angle: Raise boom until it almost reaches to maximum point, and then lower it until boom angle display corresponds to condition of zero-point adjustment.(Refer to “Adjustment Value Table”.)

(5)Hook block position: Two-blocking status (In case of TR-450XL-4; Hoisted down just clear of ground surface or vehicle structure)

(6)Actual status and registered status of number of parts of line: Standard number of parts of line when main boom is fully extended

(7)Hook block: Refer to “Adjustment Value Table”. (Stow auxiliary hook block.)

(8)Refer to “Adjustment Value Table” according to the crane model, there might be a condition besides above.

1. Select the main menu [• Adjust ] in the adjustment mode, and press the register key to select the menu.

2. When [:Adjust L&A ] is displayed, press the scroll-down key until the display [:Adjust MMT] appears. Press the register key to select the menu.

3. While the moment zero-point adjustment is displayed, adjust the value indicated in the actual load value indicator finely with the increase or decrease key to conform it to the adjustment value of the zero-point adjustment.

Moment zero-point adjustment display: Display [X.XXX z . % ]

Moment ratio(%)

Shows zero-point adjustment state

Moment detector input(mV)

The actual load value less than 1 klbs is shown as follows:

0.00 to 0.99 klbs: “000” to “099” -0.99 to -0.01 klbs: “-99” to “-01”

4. After the adjustment, press the register key to save the adjusted value.

5. Proceed to “7.2 Moment Span Preliminary Adjustment”.

Functions of and How to Use Ad j ustment Mode

7.2 Moment Span Preliminary Adjustment [NOTICE]

For the conditions and adjustment value of the moment span preliminary adjustment, refer to the moment span preliminary adjustment item in the “Adjustment Value Table”.

1. Continued from “7.1 Moment Zero-point Adjustment”.

2. Lower the boom to set the boom angle to the condition of the span preliminary adjustment. (Hook block position:Hoisted down until it almost touches ground surface)

3. Press the scroll-up or scroll-down key until the moment span adjustment display appears. Moment span adjustment display: Display [X.XXX s . %]

Moment ratio(%)

Shows span adjustment state

Moment detector input(mV)

4. Adjust the value indicated in the actual load value indicator finely with the increase or decrease key to conform it to the adjustment value of the span preliminary adjustment.

The actual load value less than 1 klbs is shown as follows:

0.00 to 0.99 klbs: “000” to “099”

-0.99 to -0.01 klbs: “-99” to “-01”

5. After the adjustment, press the register key to save the adjusted value.

6. Proceed to “7.3 Moment Zero-point Check and Fine Adjustment”.

7.3 Moment Zero-point Check and Fine Adjustment [NOTICE]

For the conditions and adjustment value of the moment zero-point check and fine adjustment, refer to the moment zero-point adjustment item in the “Adjustment Value Table”.

1. Continued from “7.2 Moment Span Preliminary Adjustment”.

2. Raise the boom until it almost reaches to the maximum point, and then lower it until the boom angle display corresponds to the condition of the zero-point adjustment. [Two-blocking status (in case of TR-450XL-4: Hoist down the hook block until it almost touches the ground surface or chassis.)]

3. Press the scroll-up or scroll-down key until the moment zero-point adjustment display appears. Moment zero-point adjustment display: Display [X.XXX z % ]

Moment ratio(%)

Shows zero-point adjustment state

Moment detector input(mV)

4. Has the indicated value become the zero-point adjustment value?

The actual load value less than 1 klbs is shown as follows:

0.00 to 0.99 klbs: “000” to “099”

-0.99 to -0.01 klbs: “-99” to “-01”

YES NO

5. Make an adjustment with the increase or decrease key so that the result becomes the zero-point adjustment value. Then, press the register key to save the adjusted value.

6. Press the display alteration key to exit the menu.

Functions of and How to Use Ad j ustment Mode

7.4 Load Radius Adjustment [NOTICE]

For the conditions and adjustment value of the load radius adjustment, refer to the load radius adjustment item in the “Adjustment Value Table”. Set the crane as follows:

(1)Outriggers mode: Fully extended

(2)Lift mode: Boom lift (Stow jib and single top)

(3)Boom length: Fully extended

(4)Actual status and registered status of number of parts of line: Standard number of parts of line when main boom is fully extended

(5)Hook block: Refer to “Adjustment Value Table”. (Stow auxiliary hook block.)

(6)Load radius: After lifting rated lifting capacity of load radius adjustment condition, set actual load radius to meet load radius adjustment condition (load radius) by boom lowering operation. (Cancel AML stop function when overload hinders boom lowering.)

(7)Refer to “Adjustment Value Table” according to the crane model, there might be a condition besides above.

1. Select the main menu [• Adjust ] in the adjustment mode, and press the register key to select the menu.

2. Press the scroll-down key until the load radius adjustment display [: Adj. work rad ] appears. Then, press the register key to select the menu.

3. Press the increase or decrease key so that the load radius adjustment display [Rad. 1s] becomes the load radius adjustment value. Press the register key for that registration.

4. Press the display alteration key to exit the menu.

7.5 Moment Span Fine Adjustment [NOTICE]

For the conditions and adjustment value of the moment span fine adjustment, refer to the moment span fine adjustment item in the “Adjustment Value Table”.

Set the crane as follows:

(1)Outriggers mode: Fully extended

(2)Lift mode: Boom lift (Stow jib and single top)

(3)Boom length: Fully extended

(4)Boom angle: Lower boom until the boom angle display corresponds to condition of span fine adjustment.

(5)Hook block position: Hoisted down until it almost touches ground surface or vehicle structure.

(6)Actual status and registered status of number of parts of line: Standard number of parts of line when main boom is fully extended.

(7)Hook block: Refer to “Adjustment Value Table”. (Stow auxiliary hook block.)

(8)Refer to “Adjustment Value Table” according to the crane model, there might be a condition besides above.

1. Select the main menu [• Adjust ] in the adjustment mode, and press the register key to select the menu.

2. When [: Adjust L&A ] is displayed, press the scroll-down key until the display [:Adjust MMT] appears. Press the register key to select the menu.

3. Press the scroll-down key until the moment span adjustment display appears. Moment span adjustment display: Display [X.XXX s %]

Moment ratio(%)

Shows span adjustment state

Moment detector input(mV)

4. Using the increase or decrease key, adjust the indicated value so that it becomes the span fine adjustment value. Then, press the register key to save the adjusted value.

The actual load value less than 1 klbs is shown as follows:

0.00 to 0.99 klbs: “000” to “099”

-0.99 to -0.01 klbs: “-99” to “-01”

5. Proceed to “7.6 Moment Zero-point Recheck”.

Functions of and How to Use Ad j ustment Mode

7.6 Moment Zero-point Recheck [NOTICE]

For the conditions and adjustment value of the moment zero-point recheck, refer to the moment zero-point adjustment item in the “Adjustment Value Table”.

1. Continued from “7.5 Moment Span Fine Adjustment”.

2. Retract the boom fully.

3. Raise the boom until it almost reaches to the maximum point, and then lower the boom until the boom angle display corresponds to the zero-point adjustment condition. [Two-blocking status (in case of TR-450XL-4: Hoist down the hook block until it almost touches the ground surface or chassis.)]

4. Press the scroll-up or scroll-down key until the moment zero-point adjustment display appears. Moment zero-point adjustment display: Display [X.XXX z % ]

Moment ratio(%)

Shows zero-point adjustment state

Moment detector input(mV)

5. Has the indicated value become the zero-point adjustment value?

The actual load value less than 1 klbs is shown as follows:

0.00 to 0.99 klbs: “000” to “099”

-0.99 to -0.01 klbs: “-99” to “-01”

6. Make fine adjustment as shown below. (The following fine adjustment procedures are extracted from “7.3 Moment Zero-point Check and Fine Adjustment”.)

(1)Make an adjustment with the increase or decrease key so that the result becomes the zero-point adjustment value. Then, press the register key to save the adjusted value.

(2)Press the display alteration key to exit the menu.

7. Perform “7.5 Moment Span Fine Adjustment”. Perform “7.6 Moment Zero-point Recheck”.

8. Press the display alteration key to exit the menu. The moment adjustment is completed.

Functions of and How to Use Ad j ustment Mode

8. Clock Adjustment

AML has calender and clock IC inside, which is used for recording errors. Adjust the clock in the following procedure. Adjust the clock in the maintenance mode.

1. Select the main menu [• Adjust clock] in the maintenance mode, and press the register key to select the menu.

2. When the time is displayed on the moment display, press the scroll-up or scroll-down key to bring the cursor to the place to be adjusted. Time is displayed in the 24-hour basis. The cursor lies under a numeral. Display example:[ 99. 8. 23 16:30]

3. Press the increase or decrease key to change the value to be adjusted.

4. After the adjustment, press the register key to put the adjustment value onto the IC. If there are plural adjustment places, move the cursor for adjustment in order. Finally press the register key.

5. press the display alteration key to exit the menu.

Functions of and How to Use Adjustment Mode

9. Adjustment of Swing Output

[NOTICE]

Always reset the Ao offset value before adjustment of swing output (Ao offset adjustment).

9.1 Procedure of Resetting Ao Offset Value

1. Select the main menu [• Adjust AO ] in the adjustment mode, and press the register key to select the menu.

2. When [:Adjust AO Ofs. ] is displayed, press the scroll-down key until the display [:Reset AO Ofs.] appears. Press the register key to select the menu.

3. When [Reset OK?] appears, reset the Ao offset value by pressing the register key.

4. When the message [Done] appears, the Ao offset value resetting is completed. Press the display alteration key to return to the main menu.

9.2 Adjustment of Swing Output (Ao offset adjustment)

[NOTICE]

Refer to “Adjustment Value Table” in the INFORMATION AND DATA section since the standard value of the swing output varies depending on the specification number. For the models other than TR-450XL-4, TR-500XL-4, TR-300XL-4, TR-150XL-4, TR-600XXL-4, TR-800XXL-4 refer to the Service Manual specified for each crane model.

Set the crane as follows:

(1)Outriggers mode: Fully extended

(2)Lift mode: Boom lift (Stow jib and single top.)

(3)Boom length: Fully retracted

(4)Boom angle: As high as possible (Lowered boom can constitute a hazard when swung.)

(5)Hook block position: Hoisted up as much as possible

(6)Hydraulic oil temperature: Approx.122° F(50°C)

1. Select the main menu [• Adjust AO ] in the adjustment mode, and press the register key to select the menu.

2. When [: Adjust AO Ofs. ] is displayed, press the register key to select the menu.

3. Press the scroll-up or scroll-down key until the right swing output adjustment display [41 SWG RV] (the left swing output adjustment display [42 SWG LV] for the left swing output adjustment) appears and a cursor comes on under the output value.

Display example:

[41 SWG RV 0 0 ]

Actual output value

Output value

4. Press the increasse or decrease key to conform the output value of the right swing output adjustment display [41 SWG RV] to the standard value of the swing output. Remember that actual output value will also change in this situation.

Display example:

[41 SWG RV 35 35 ]

Actual output value

Output value

5. Press the scroll-down key to move the cursor to under the actual output value. Display example: [41 SWG RV 35 35 ]

Actual output value

Output value

6. While keeping the swing control lever fully to the right swing side, raise the engine speed to maximum. Then press the increase or decrease key so that the boom swing will stop under this condition.

Display example: [41 SWG RV 35 37 ]

Actual output value

Output value

7. Press the register key to save the adjusted value in EEPROM. Now the adjustment of the right swing output is completed.