Ingersoll Rand 170PG Serie Manual De Uso Y Mantenimiento página 23

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.
LUBRICATION
Each time a Series 170PG or 180PG 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
1. Do not disassemble the tool any further than
necessary to replace or repair damaged parts.
2. Whenever grasping a tool or part in a vise, always use
leather- - covered or copper- - covered vise jaws to
protect the surface of the part and help prevent
distortion. This is particularly true of threaded
members and housings.
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 replacement.
4. Do not disassemble the Tool unless you have a
complete set of new gaskets and O- - rings for
replacement.
Disassembly of the Tool
1. Disconnect the air supply hose and clean all deposits
from the outside of the tool.
2. For Needle Scaler; Unscrew the Cap Head Screw (20)
and remove the Tubes (18 and 19), Needles, Anvil
(15), and Compression Spring (17).
For Chisel Scaler; Remove Chisel by turning the
knurled collar until the retaining ball is visible.
Unscrew the Cap Head Screw (20) and remove the
Chisel Holder Assembly (21).
3. Hold the end of the Cylinder (10) firmly in a vise with
the Cover Assembly (13) upward. Unscrew the Cover
from the Cylinder. The Cylinder is secured with a
retaining compound and might require a sharp blow to
break the bond.
4. Remove O- - ring (11), O- - ring (12) and Piston (9).
5. Hold the Cover Assembly firmly in a vise with the
Valve Body (1) upward and unscrew and remove the
Valve Cap (2) along with the O- - ring (3), Valve Spring
(4), Valve Stem (5) and Valve Stem O- - ring (6).
6. Turn the Valve Body over and secure it in a vise with
the Throttle Lever (7) up.
MAINTENANCE SECTION
7. Use a 3 mm dia. punch to drive the Roll Pin (8) out of
General Instructions
1. Whenever grasping a tool or part in a vise, always use
2. Always clean every part and wipe every part with a
3. Apply a film of O- - ring lubricant to all O- - rings before
Assembly of the Valve
1. Place the O- - ring (3) on the Valve Cap (2). Fit a new
2. Insert the Valve Stem (5) in the Valve Body with the
3. Place the Valve Spring (4) on top of the Valve Stem
4. Locate the Throttle Lever (7) in the Valve Body using
Assembly of the Cylinder Assembly
1. Install new O- - ring (11) and O- - ring (12) on the
2.
Assembly of the Needle Scaler Attachments
1. Slide the Spring (17) into the Intermediate Tube (18).
2. Install the Needles into the Needle Holder (16) and
3. Guide the Needle Holder Assembly into the
4. Guide the Intermediate Tube over the Cylinder (10)
5. Guide the Front Tube (19) over the Intermediate Tube
Assembly of the Chisel Scaler Attachments
1. Fit the Chisel Holder Assembly (21) onto the Cylinder
2. Turn the knurled collar until the retaining ball is
3. Tighten the collar one- - half turn to lock the Chisel
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the Valve Body. Withdraw the Lever.
ASSEMBLY
leather- - covered or copper- - covered vise jaws. Take
extra care with threaded parts and housings.
thin film of oil before installation.
final assembly.
Valve Stem O- - ring (6) in the Valve Body (1).
conical face on the Valve seat O- - ring.
and screw down the Valve Cap by hand until fully
tight.
a 3 mm punch to align the holes and secure by
inserting the Roll Pin (8).
Cylinder (10) and insert the Piston (9), small end
leading, into the Cylinder. Make sure the threads are
clean and dry. Then apply a suitable thread- - locking
compound to the threads.
Screw the Cylinder completely in the Cover Assembly
by hand. Then, secure the Cylinder in a vise and screw
the Cylinder in the cover until fully tight.
then insert the Anvil (15).
Intermediate Tube until it contacts the Spring.
until it is flush with the Cover Assembly (13).
until 1 inch (25mm) of the Needles protrudes. Tighten
the Cap Head Screws (20).
(10) and tighten the Cap Head Screw (20). Model
170PG has a grip thread and Model 180PG has a
screw thread.
visible, insert the selected Chisel and locate the rebate
on the ball.
into the Holder.