Ingersoll-Rand 182, 172 User Manual

16574204

Edition 1 November 2006

Air Percussive Scaler

172 and 182 Series

Maintenance Information

Save These Instructions

WARNING

Always wear eye protection when operating or performing maintenance on this tool.

Always turn off the air supply and disconnect the air supply hose before installing, removing or adjusting any accessory on this tool or before performing any maintenance on this tool.

Note: When reading the instructions, refer to exploded diagrams in parts Information Manuals when applicable (see under Related Documentation for form numbers).

Lubrication

Each time a 172 or 182 Series Scaler is disassembled for maintenance and repair or replacement of parts, pour about 3 cc of

Ingersoll Rand No. 10 Oil in the air inlet and operate the tool for 5 seconds to coat the internal parts with oil.

	Disassembly
	General Instructions		For Lever Throttle
	1.	Do not disassemble the tool any further than necessary to replace	1.	Secure the Head Block (1) in a vise with leather-covered or
				copper-covered jaws, drive out the Throttle Lever Pin (11) and
		or repair damaged parts.
				remove Throttle Lever (10).
	2.	Whenever grasping a tool or part in a vise, always use leather-
			2.	Unscrew the Throttle Valve Cap (2), remove the Throttle Valve
		covered or copper-covered vise jaws to protect the surface of
				Spring (3) and Throttle Valve (5).
		the part and help prevent distortion. This is particularly true of
			3.	Remove the Throttle Valve Face (6) from the Throttle Valve.
		threaded members and housings.
			For Push Throttle
	3.	Do not remove any part which is a press fit in or on a subassembly
		unless the removal of that part is necessary for repairs or	1.	Secure the Push Throttle Body (18) in a vise with leather-covered
		replacement.		or copper-covered jaws and remove the Inlet Bushing (17).
	4.	Do not disassemble the Tool unless you have a complete set of	2.	Remove the the Throttle Body Retainer (21) and pull the Push
		new gaskets and O-rings for replacement.		Throttle Body with throttle components from the Head Block.
	Removal of Grip Handle or Head Block, Valve and Piston		3.	Pull the Push Throttle Valve (19) from the Push Throttle Body.
				Remove the Throttle Valve Pin (22) and the Throttle Valve Face (20)
	1.	Insert a Chisel in the tool. Clamp the shank of the Chisel in a vise		if they need to be replaced.
		with the tool in a vertical position.	Disassembly of the Retaining Mechanism
	2.	For Pistol Grip Handle (25), unscrew the Adapter Bolt Nut (38)
			1.	Remove the accessory from the nozzle of the tool.
		and pull the Pistol Grip Handle from the Adapter (35).
	3.	For all tools, loosen the Casing Locknut (45).	2.	Remove the Retainer Sleeve Lock Ring (57).
	4.	Grasp the flats on the Head Block (1) or (15) or Grip Handle	3.	While holding the Scaler with the nozzle facing away from you,
		Adapter (35) with a large wrench and unscrew that member from		rotate the Retainer Sleeve (54) to the left until the Lock
		the Casing (52).		Plunger (55) snaps outward.
	5.	Withdraw the Valve Cap (46), Valve Spacer (49), Valve (48) and	4.	Fully depress the Lock Plunger and rotate the Retainer Sleeve
		Piston (51).		further to the left as far as it will go and then withdraw the
	Disassembly of Throttle Mechanism			Retainer Sleeve from the end of the Casing (52).
					NOTICE
	For Pistol Grip Throttle
	1.	Secure the Grip Handle in a vise with leather-covered or copper-	When you withdraw the Retainer Sleeve, the Retainer Ball (53),
		covered jaws, drive out Throttle Lever Pin (27) and remove	Retainer Sleeve Lock Plunger (55) and Plunger Lock Spring (56)
		Throttle Lever (26).	are free to fall from their respective recesses in the Casing. Do
	2.	Unscrew Throttle Valve Cap (32) and remove Throttle Valve	not lose these parts.
		Spring (33), Throttle Valve (29) and Throttle Valve Plunger (28).
	3.	Remove Throttle Valve Face (30) from Throttle Valve.
	Assembly
	General Instructions		3.	Hold the Retainer Sleeve so that the internal relief groove is to the
	1.	Whenever grasping a tool or part in a vise, always use leather-		right of the slot and, with the nozzle of the tool still pointing away
				from you, slide the Sleeve onto the end of the Casing so that the
		covered or copper-covered vise jaws. Take extra care with
				Lock Plunger engages the relief groove. When the Sleeve is on the
		threaded parts and housings.
	2.			Casing as far as it will go, rotate the Sleeve to the right until the
		Always clean every part and wipe every part with a thin film of oil
				Lock Plunger snaps outward into the slot.
		before installation.
	3.		Assembly of the Throttle Mechanism
		Apply a film of O-ring lubricant to all O-rings before final
		assembly.	For Pistol Grip Throttle
	Assembly of the Retaining Mechanism
			1.	Install the Throttle Lever (26) and secure with Throttle Lever
	1.	Look at the bore of the Retainer Sleeve and note that there is a		Pin (27).
			2.	Coat the Throttle Valve Face (30) with O-ring lubricant and install
		wide relief groove machined at right angles to the slot.
				it on the Throttle Valve (29).
	2.	While holding the Scaler with the nozzle pointing away from you,
			3.	Install Throttle Valve Plunger (28) and Throttle Valve (29) in
		insert the Retainer Ball into the large recess in the Casing. Insert
				Handle.
		the Plunger Lock Spring followed by the Lock Plunger into its
			4.	Insert Throttle Valve Spring (33) and secure throttle components
		recess in the Casing.
				with Throttle Valve Cap (32).
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