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GH-702A Lightweight Power Tool MAINTENANCE MANUAL 1224 East Warner Ave, Santa Ana, Ca 92705 Tel: 1-714-545-5511 Fax: 1-714-850-6093 www.cherryaerospace.com...
Exploded View Of GH-702A ..............................10 Declaration Of Conformity ............................Back Cover DESCRIPTION The Cherry GH-702A is a pneumatic-hydraulic tool designed specifically for the most efficient installation of commercial fasteners. Its durable, all metal housing makes this extremely robust tool ideal for use in rugged shop environments.
Do not use substitute components for repair. Any modification to the tool, pulling heads, accessories or any component supplied by Cherry Aerospace, or their representatives, shall be the customer's entire responsibility. Cherry Aerospace will be pleased to advise on any proposed modification.
HOW TO USE THE GH-702A After selecting the proper pulling head and attaching it securely to the GH-702A, connect the air line to the tool. Insert the rivet stem into the pulling head until the head of the rivet is in contact with the pulling head sleeve. This will ensure full engagement between the jaws and the rivet stem and will prevent slippage.
FILL AND BLEED INSTRUCTIONS To replace a small amount of oil in the tool, remove cap screw (15), attach the Cherry air bleeder (700A77), connect the tool to the air line and cycle several times. This will ensure the removal of any air from the hydraulic system and its replacement with fluid.
(48) on top of the handle in its groove, and then the gasket (49) over the 0-ring (48). Tighten the four socket head cap screws (50) uniformly to prevent leakage around the gasket. Purge system of air using Cherry air bleeder (700A77) according to Fill & Bleed Instructions.
HANDLE SUB-ASSEMBLY Disconnect tool from air supply and remove parts (25) through (29). Remove the head sub-assembly using the instructions in the head sub-assembly section. Place piston rod wrench (700A61) down into the top of the handle (32), into the hex socket in the head of the power piston rod (37).
INSTALLING H702 PULLING HEAD ON RIVETER 1. Connect tool to air supply and without 4. Tighten jam nut (C) securely. depressing trigger, place spring (G) over 5. These pulling heads will give long life if tube (F) as shown and insert as far as properly maintained.
PART LIST FOR THE GH-702A RIVETER ASSEMBLY PART NO. DESCRIPTION QTY. 702-054 (G702A RIVER ASSEMBLY) 702B15 SUB-ASSEMBLY, HEAD 702C2 SUB -ASSEMBLY, HEAD CYCLINDER P-653 O-RING (.691, .551, .070) P-883 RING, BACK-UP (.686, .580, .053) 702B16 PISTON, HEAD P-216 RING, QUAD (.880, .674, .103) P-209 RING, BACK-UP (.864, .688, .088)