2008/04/14 Caterpillar


Understanding the Quick Coupler to Work Tool Interface For Certain Cat Machines {6101, 6129, 6402, 6542}

Usage:

IT18B 1DF
Backhoe Loader:
416C (S/N: 1WR1-UP)
420D (S/N: BMC1-UP; MBH1-UP; BLN1-UP)
420E (S/N: KMW1-UP)
426C (S/N: 1YR1-UP)
428D (S/N: BXC1-UP; BNS1-UP; BMT1-UP; DSX1-UP)
428E (S/N: SNL1-UP)
430D (S/N: BML1-UP)
430E (S/N: DDT1-UP)
432D (S/N: BLD1-UP; WEP1-UP; TDR1-UP)
432E (S/N: BXE1-UP)
434E (S/N: FSH1-UP)
436C (S/N: 2AR1-UP)
438D (S/N: BPE1-UP; BPN1-UP)
442D (S/N: TBD1-UP; BRG1-UP; SMJ1-UP; BRY1-UP)
442E (S/N: GKZ1-UP)
444E (S/N: LBE1-UP)
Integrated Toolcarrier:
IT12 (S/N: 2YC1-UP; 4NC1-UP)
IT12B (S/N: 1KF1-UP)
IT12F (S/N: 1KF1-UP)
IT14B (S/N: 3NJ1-UP)
IT14F (S/N: 4EL1-UP)
IT14G (S/N: FWL1-UP; 8ZM1-UP; KZN1-UP; 1WN1-UP)
IT18 (S/N: 7ZB1-UP; 9NB1-UP)
IT18B (S/N: 4ZD1-UP; 1DF1-UP; 2NJ1-UP)
IT18F (S/N: 6ZF1-UP; 5EJ1-UP)
IT24F (S/N: 4NN1-UP; 6KN1-UP)
IT28 (S/N: 8JB1-UP; 2KC1-UP)
IT28B (S/N: 5SD1-UP; 1HF1-UP; 1JK1-UP)
IT28F (S/N: 1JL1-UP; 3CL1-UP)
IT28G (S/N: WAC1-UP; EWF1-UP; 8CR1-UP; 9AR1-UP; DBT1-UP)
Telehandler:
TH103 (S/N: 3PN2027-UP)
TH220B (S/N: SLA1-UP)
TH330B (S/N: SLB1-UP)
TH340B (S/N: SLC1-UP)
TH350B (S/N: SLD1-UP)
TH355B (S/N: JRK1-UP)
TH360B (S/N: SLE1-UP)
TH460B (S/N: SLF1-UP)
TH560B (S/N: SLG1-UP)
TH580B (S/N: SLH1-UP)
TH62 (S/N: 4TM4014-UP; 3LN1-UP)
TH63 (S/N: 5WM6021-UP; 3NN1-UP)
TH82 (S/N: 3JN1510-UP; 3KN1-UP)
TH83 (S/N: 3RN4015-UP)
Wheel Loader:
924G (S/N: DDA1-UP; RBB1-UP; WMB1-UP; AAN1-UP; 9SW1-UP; 3PZ1-UP)
924H (S/N: HXC1-UP; JTM1-UP)
928G (S/N: DJD1-UP; WLG1-UP; 6XR1-UP; 7SR1-UP)
928HZ (S/N: BYD1-UP; CXK1-UP)
930G (S/N: TWR1-UP; TFW1-UP)
930H (S/N: DHC1-UP; FTD1-UP)
Service Magazine SEPD0936, 14 April 2008, "Understanding the Coupler to Tool Interface on Integrated Toolcarriers". Disregard the previous article. Refer to the article that follows.

The tools for the integrated toolcarrier provide versatility for the machine.




Illustration 1g01153891

(1) One side of the hook for the work tool coupler

(2) Pin bore

(3) Stop for the tool

Note: The stops are not intended to carry any working loads. The working load is distributed between the pin bores and to the hooks of the coupler.

The coupling of each tool provides this versatility. The work tool coupler includes hooks (1), pin bores (2), and stops (3). See Illustration 1. This coupling will ensure that the work tool is properly mounted and the work tool has a proper connection. Periodic inspection of the work tool and coupler is recommended in order to provide continuous use.

Work Tool Inspection

  1. Check the tool for noticeable damage.

  1. Couple the tool on the machine. See the appropriate Operation and Maintenance Manual.



    Illustration 2g01153893

    Typical Stop (3) on the outside of the Pin Bore




    Illustration 3g01515118

    Typical stop and work tool

  1. Raise the tool. Watch the coupling while you lift the tool. The tool will move up and the tool will move out. This motion will cause clearance in two areas. The hooks will raise off the bosses by 4 ± 2 mm (0.16 ± 0.08 inch) in the first area. The second area should show a clearance between the quick coupler and the stop. See Illustrations 2 and 3. The nominal gap is 4 ± 1 mm (0.16 ± 0.04 inch).

Note: There is a gap between the coupler and the stop. Stop (3) is installed in order to provide a contact point for the work tool while the tool is being installed. The stop will position the work tool in order to align the pin bores while the pins are installed. The pins have tapered ends in order to move the work tool into alignment.


NOTICE

Tool stop bars that are modified may stop the tools from being interchangeable with other similar machines. Modifying tool stop bars can accelerate wear to the work tool and the machine coupler.


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