Declaration of Conformity 2 Instruction Manual 254 Safety Instructions 3 Pneudraulic Installation Tool Specifications 4 Patent Pending Principle of Operation 4 Preparation for Use 5 Operating the Tool 6 Maintenance 7 Disassembly Procedure 8-9 Assembly Procedure 10 Fill and Bleed Procedure 11-12 Shown without boot.
54 Pneudraulic Installation Tool (HK1172) 2
254 Pneudraulic Installation Tool (HK1172) Safety Instructions III. OPERATING HAZARDS: 1. Use of tool can expose the operator’s hands to hazards including: crushing, impacts, cuts, abrasions and heat. Wear suitable gloves to protect hands. 2. Operators and maintenance personnel shall be physically able to handle the bulk, weight and power of the tool. 3. Hold the tool correctly and be ready to counteract normal or sudden movements with both hands available. 4.
254 Pneudraulic Installation Tool (HK1172) Specifications STROKE: 0.565 in (1.43 cm) WEIGHT: 8.67 lbs (3.9 kg) MAX AIR PRESSURE: 90 psi (6.2 bar) MAX FLOW RATE: 13.5 scfm (382.28 l/min) POWER SOURCE: 90 psi (6.2 bar) maximum shop air MAX OPERATING TEMP: 125° F (51.7° C) PULL CAPACITY: 8,620 lbs @ 90 psi (38.34 kN @ 6.2 bar) SPEED / CYCLES: 30 per minute HOSE KITS: Use only genuine Huck Hose Kits rated @ 10,000 psi (689.5 bar) working pressure.
254 Pneudraulic Installation Tool (HK1172) Preparation for Use CAUTION: Do not use TEFLON® tape on pipe threads. Tape can shred, resulting in malfunctions. Threadmate® is available in a 4oz. tube from Huck (P/N 508517). The 254 tool ships with a plug in the air inlet connector. The connector has 1/4”-18 female pipe threads to accept the air hose fitting. Huck recommends quick-disconnect fittings and a 1/4” inside-diameter air hose.
254 Pneudraulic Installation Tool (HK1172) Operating Instructions Read all of these instructions in order to ensure the safe operation of this equipment. This section details installing LockBolt® and Huck Blind Fasteners. Review all Cautions and Warnings prior to installing these fasteners. If the tool malfunctions, consult Troubleshooting in this manual prior to attempting any repairs. WARNING: • Wear approved eye and hearing protection.
254 Pneudraulic Installation Tool (HK1172) Maintenance GENERAL The operating efficiency of your tool is directly related to the performance of the entire system. Regular inspection and the immediate correction of minor problems will keep the tool operating efficiently, and prevent downtime. A schedule of “preventive” maintenance of the tool, nose assembly, hoses, trigger and control cord, and POWERIG® will ensure proper tool operation and extend its life.
254 Pneudraulic Installation Tool (HK1172) Disassembly damaged, it can be removed (through front of tool head) by using the following procedure. NOTE: If seat is removed, it cannot be reused; it must be replaced. Seat removal: Remove all parts in the reservoir check valve before removing plug. Unscrew plug, insert a #10 screw in the thread of plug, and pull to remove. Use a small drift and hammer and, from the rear side of the head, drive seat out towards the front of the head.
254 Pneudraulic Installation Tool (HK1172) Disassembly (continued) 11. Remove the screw from the throttle arm, and then remove the throttle arm. Remove the throttle valve assembly and spring from the cylinder. (Figure 11) Figure 2 12. With a small punch and hammer, drive out the roll pin to remove the trigger from the handle. (Figure 9) Remove the trigger pin. Remove ball end of the cable from the throttle arm, and pull cable out of handle.
254 Pneudraulic Installation Tool (HK1172) Assembly Clean components with mineral spirits or similar solvent. Inspect for wear/damage and replace as necessary. Replace all seals of disassembled components using Service Parts Kit, P/N 256KIT. Smear LUBRIPLATE 130AA or PARKER-O-LUBE on rings and mating parts to ease assembly. Carefully assemble tool without damaging O-rings, Quad rings, or Back-up rings. Figure 5 Throttle Arm Bushing and Screw Throttle Arm Guard 1.
254 Pneudraulic Installation Tool (HK1172) Fill and Bleed This section documents the “bleed-&-fill” procedure. For component identification, see Figures 6–8. full forward and locked with the retaining nut (and, optionally, with the stall nut). REQUIRED EQUIPMENT • DEXRON® III or equivalent ATF (See Specifications for more information.) 120824 Stall Nut WARNING: Avoid contact with hydraulic fluid. Hydraulic fluid must be disposed of in accordance with local regulations.
254 Pneudraulic Installation Tool (HK1172) Fill and Bleed (continued) usually requires 3 or 4 repetitions. 7. When air bubbles stop accumulating in the fill bottle, stop cycling the tool. Remove the bottle and replace the reservoir fill plug. a. Lock the Fill Tool into the reservoir plunger. Lay the tool on its side and remove the reservoir fill plug. b. Insert the fill bottle and add a few drops of fluid to the reservoir; wait for air bubbles to escape, then remove the fill bottle.
254 Pneudraulic Installation Tool (HK1172) Tool Head Figure 9 126088 Back-up Ring 126079 Cylinder / Head 130652 Hydraulic Pull Piston Assembly (Piston not sold separately) 126087 Pintail Tube 123138 Wiper Housing 113251 Back-up Ring 500823 O-Ring 129944 Polyseal (Note orientation) 500851 O-Ring 505887 O-Ring 113253 Back-up Ring 113251 Back-up 126086 Rear Gland Assembly Ring (Gland not sold separately) 112491 Cylinder Cap 110670 Stop A 124209 Deflector 117824 Retaining Nut 505894 Wiper A (Gla
500101 Screw (4) 130247 Guard 14 6.2 590351 Sticker 90 13.
254 Pneudraulic Installation Tool (HK1172) Sticker Location and Throttle Valve Figure 11 The 254 tool comes labeled with important stickers on the outside of the cylinder which contain safety information. It is necessary that these stickers remain on the tool and are easily read. If stickers become damaged or worn, or if they have been removed from the tool, they must be replaced.
254 Pneudraulic Installation Tool (HK1172) Kits & Accessories Huck has created product-specific Spare Parts Service Kits that contain various perishable parts for each tool. The types and quantities of spare parts that should be available vary with the application and tools in use. Have the appropriate kit accessible when using this tool and when performing maintenance on it. Huck also recommends having the following Accessories available when preparing, using, and performing maintenance on this tool.
254 Pneudraulic Installation Tool (HK1172) Limited Warranties Limited Lifetime Warranty on BobTail® Tools: Huck International, Inc. warrants to the original purchaser that its BobTail® installation tools manufactured after 12/1/2016 shall be free from defects in materials and workmanship for its useful lifetime.
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