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Fatigue Technology Inc.

401 Andover Park East

Seattle, WA • USA 98188-7605

Tel: (206)246-2010

Fax: (206)244-9886

57429 – Rev L

ECTION

3.0:

ULLER

NIT

PERATING

NSTRUCTIONS

Become familiar with these instructions before operating the puller.

3.1

PULLER UNIT SETUP PROCEDURE AND OPERATION

Refer to Section 6 (Illustrated Parts Breakdown) for parts identification.

1. Inspect all threads and fittings for signs of wear or damage and replace them if necessary.

2. Install the appropriate mandrel in the threaded adapter. Install the proper chuck assembly in place of the

threaded adapter if a tang or pintail mandrel is to be used.

3. Install the appropriate nosecap assembly over the mandrel and thread it into place.

4. Uncoil the hose assembly of the puller unit and inspect all threads, couplings, and hoses for damage and

degradation. Any damaged component must be replaced immediately.

Remove thread protectors from the hydraulic fittings and thread the hydraulic hose fitting from the puller

unit (male) onto the hydraulic fitting of the FTI PowerPak (female). Wipe fittings clean prior to connecting.

Thread couplers completely together. There should be positive contact (no space) between the PowerPak

coupler and the hose fitting flange. See Section 5, Problem 2 for more information. Failure to completely

tighten the coupler will cause the puller piston to become stuck in the retracted position. Strain relievers

must be placed on hose fittings during operation. If strain relievers are worn or damaged, they must be

replaced immediately.

7. Connect the male/female air quick disconnects from the puller unit to the FTI PowerPak.

8. Test shop air to ensure that the air is clean, dry, and between 90 and 120 psi (0.621 and 0.827MPa) at

50 cfm (1.42m

/min).

9. Connect the female quick disconnect of a 1/2-inch (12.7 mm) ID shop air line onto the male air inlet of the

PowerPak.

3.2

ACTIVATION OF PULLER UNIT

1. The puller unit can be activated only when connected to an FTI PowerPak.

2. Activate the puller unit by depressing the trigger on the handle. Hydraulic pressure is transmitted through

the hose to the cylinder of the puller, which then retracts the hydraulic piston that performs the cold

expansion procedure.

3. Releasing the trigger changes pressure at the pilot valve and stops the pull cycle. Air pressure returns the

puller to original position.

4. If the puller fails to operate as detailed above, refer to Section 5 (Troubleshooting).

Содержание LB-10

Страница 1: ...og 01151 FTI OPERATIONS MAINTENANCE AND REPAIR MANUAL Little Brute Puller Unit FTI Part 2720 006 Log 01151 Revision L May 4 2022 401 Andover Park East Seattle Washington 98188 7605 USA 206 246 2010 Or...

Страница 2: ...Department FTI s Cold Expansion systems and processes are the subject matter of one or more of the following patents 4 809 420 4 885 829 4 934 170 5 083 363 5 096 349 5 103 548 5 127 254 5 129 253 5 2...

Страница 3: ...ittle Brute Rework Kit Parts List and Diagram 15 6 2 Little Brute Seal Kit Parts List and Diagram 16 6 3 Previous Little Brute Trigger Assembly Parts List and Diagram 17 6 4 Little Brute Puller Assemb...

Страница 4: ...ework Kit Parts LB CT RK 15 Figure 6 2 1 Diagram of Little Brute Assembly LB SK 16 Figure 6 3 1 Diagram of Previous Little Brute Trigger Assembly 17 Figure 6 4 1 Little Brute Assembly 18 TABLES Table...

Страница 5: ...to material stack see Figure 1 3 2 LB xx V where V represents high visibility hoses LB xx Hxx where Hxx represents a unique hose length other than the standard 10 feet LB xxA comes with a LB CA 4 man...

Страница 6: ...nosecap See FTI s comprehensive Tooling Catalog for more information Mandrel Selection The Little Brute is directly compatible with standard Type 1 7 16 20 threaded mandrels The LB may also be adapte...

Страница 7: ...mm 11 00 48 9N 2 6 66 0 mm LB 20 2 0 50 8 mm 11 2 284 5 mm 5 0 127 0 mm 11 25 50 0N 3 1 78 7 mm LB 20 FVC 2 0 50 8 mm 11 2 284 5 mm 5 0 127 0 mm 11 25 50 0N 3 1 78 7 mm LB 20 FVS 2 0 50 8 mm 11 2 284...

Страница 8: ...y when Maintenance is to be performed Hydraulic hose is disconnected PowerPak is not in use 3 In the event of a ruptured or leaking hydraulic hose IMMEDIATELY RELEASE THE TRIGGER AND DISCONNECT THE AI...

Страница 9: ...e heat or cold sharp surfaces or heavy impact 13 DO NOT allow hoses to kink twist curl or bend so tightly that the oil flow within the hose is blocked or reduced Periodically inspect the hose for wear...

Страница 10: ...mpletely together There should be positive contact no space between the PowerPak coupler and the hose fitting flange See Section 5 Problem 2 for more information Failure to completely tighten the coup...

Страница 11: ...enever the puller is to be stored for any length of time maintain a thin coat of 10 weight oil on the outside of black oxide surfaces 4 3 INSPECTION 1 Periodically inspect threaded fittings hoses and...

Страница 12: ...eeve 5 Figure 6 4 1 11 Remove the handle assembly 11 Figure 6 4 1 by removing the four hex head bolts Normal replacement of seals requires the use of Little Brute Seal Kit LB SK Refer to Section 6 2 1...

Страница 13: ...he piston 3 to the full forward position Lubricating the piston rod and threads with hydraulic oil will help prevent damage to the sleeve seals 4 Install the handle assembly 11 with hydraulic adapter...

Страница 14: ...not been securely connected b Check the following hose connections 1 Main air line quick disconnect fitting from shop air system to PowerPak 2 Hydraulic quick couplings connecting the hoses to the Pow...

Страница 15: ...tly tightened Figure 5 0 3 Hydraulic Quick Coupler Puller Unit Hydraulic Hose Couplers Procedure for relieving hydraulic pressure 1 Disconnect the main air supply 2 Disconnect coupler from PowerPak Se...

Страница 16: ...lockwise until PowerPak generates constant pressure when puller trigger is depressed and PowerPak starts instantly when puller trigger is depressed and stops instantly when released When the puller tr...

Страница 17: ...with 90 to 120 psi 621 to 827MPa for the FT 200 3 8 inch 9 525mm ID air line with 90 to 120 psi 621 to 827MPa for the FT 20 Flow requirements 40 50 cfm 1 13 1 42m3 min for the FT 200 20 cfm 57m3 min f...

Страница 18: ...Rework Kit LB CT RK see kit differences in Section 6 1 and Puller Trigger Rework Tool Kit FTI CT RKT One FTI CT RK or LB CT RK kit is required for each puller converted Only one FTI CT RKT is required...

Страница 19: ...Unit is shown in Figure 6 1 1 with parts for the Rework Kit corresponding to Table 6 1 1 Table 6 1 1 Parts List for Little Brute Rework Kit Piece Number Quantity Description Part Number Included in K...

Страница 20: ...of the Little Brute Puller Unit is shown in Figure 6 2 1 with parts for the seal kit corresponding to Table 6 2 1 Table 6 2 1 Little Brute Seal Kit LB SK Piece Number Description Part Number Quantity...

Страница 21: ...ring the Cartridge Trigger Assembly Kit FTI CT RK or the Little Brute Rework Kit LB CT RK and the Puller Trigger Rework Tool Kit FTI CT RKT in Section 6 1 A diagram of the Little Brute Puller Unit is...

Страница 22: ...206 246 2010 Fax 206 244 9886 18 57429 Rev L 6 4 LITTLE BRUTE PULLER ASSEMBLY PARTS LIST AND DIAGRAM A diagram of the Little Brute Puller Unit is shown in Figure 6 4 1 which corresponds to the parts l...

Страница 23: ...kring All LB D6 11 Handle Assembly All LB H 1 3 19 Warning Label All 1009 185 20 FTI Label All 1009 094 21 Do Not Strike Label All 1009 184 22 Read Manual Label All 1187 107 23 Eye Protection Label Al...

Страница 24: ...Fatigue Technology Inc 401 Andover Park East Seattle WA USA 98188 7605 Tel 206 246 2010 Fax 206 244 9886 20 57429 Rev L This page intentionally left blank...

Страница 25: ...USA 98188 7605 Tel 206 246 2010 Fax 206 244 9886 57429 Rev L 21 SECTION 7 0 SHIPPING RECEIVING BILL OF MATERIALS The following items are included in the case item 1 shown below 1 Pelican Case 6575 001...

Страница 26: ...chnology Inc 401 Andover Park East Seattle WA USA 98188 7605 Tel 206 246 2010 Fax 206 244 9886 22 57429 Rev L 3 Spanner Wrench 1045 018 4 Pin Wrench CBC 1 PW 5 Operations Maintenance and Repair Manual...

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