16572679
Edition 2 May 2014
Air Drill
QP Series
Maintenance Information
Save These Instructions
Product Safety Information
WARNING
•Failure to observe the following warnings, and to avoid these potentially hazardous situations, could result in death or serious injury.
•Read and understand this and all other supplied manuals before installing, operating, repairing, maintaining, changing accessories on, or working near this product.
•Always wear eye protection when operating or performing maintenance on this tool. The grade of protection required should be assessed for each use and may include impact-resistant glasses with side shields, goggles, or a full face shield over those glasses.
•Always turn off the air supply, bleed the air pressure and disconnect the air supply hose when not in use, before installing, removing or adjusting any accessory on this tool, or before performing any maintenance on this tool or any accessory.
Note: When reading the instructions, refer to exploded diagrams in parts Information Manuals when applicable (see under Related Documentation for form numbers).
Lubrication
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2. Use Ingersoll Rand No. 10 Oil to lubricate the motor. |
Each time a Series QP Drill is disassembled for maintenance and |
Inject approximately 1 to 2 cc of oil into the air inlet before |
repair or replacement of parts, lubricate the tool as follows: |
attaching the air hose to the tool. |
1.Coat all exposed gears with Ingersoll Rand No. 67 Grease and work some of the Grease into the gearing of the Spindle Assembly (29).
Speed Adjustment
Series QP Drills are furnished with the ability to precisely control, |
After determining the actual velocity, shut off the air supply and |
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within certain ranges, the optimum drilling speed for exotic |
insert a small jeweler’s screwdriver into the slot of the exhaust control |
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materials. Setting the speed requires a tachometer and a jeweler’s |
plate screw and rotate the screw approximately fifteen degrees. |
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screwdriver. Therefore, the adjustment, although simple, should |
Restore the air supply and check the velocity again. The control plate |
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only be attempted by a competent technician using the proper |
provides unrestricted exhaust for 90 degrees, completely restricted |
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equipment. |
exhaust for 90 degrees and variable, adjustable exhaust for 180 |
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A small, round opening is located adjacent to the Inlet Bushing |
degrees. Determine which direction you need to rotate the screw |
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to obtain the desired speed and then move the screw accordingly. |
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Assembly (4) in the molded exhaust vent. A tiny screw at the bottom |
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Best results are achieved by using gradual increments and frequent |
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of that hole controls the location of the exhaust control plate. Take |
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tachometer readings. Be sure to turn off the air supply when making |
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an initial reading of the tool speed by applying a tachometer to the |
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adjustments to the screw. |
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end of the Chuck without a drill bit and with the trigger completely |
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depressed. If the tachometer has a concave tip, close the chuck |
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completely; if the tip is convex, open the chuck completely. |
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Disassembly
General Instructions |
the Housing counterclockwise to begin unscrewing it from |
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1. Do not disassemble the tool any further than necessary to replace |
the Gear Case. |
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c. When the Housing begins to turn freely, remove the wrench |
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or repair damaged parts. |
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from the Gear Case and with the spindle upward, finish |
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2. Whenever grasping a tool or part in a vise, always use leather- |
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unscrewing the Housing from the Gear Case. |
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covered or copper-covered vice jaws to protect the surface of |
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d. Set the assembled Gear Case on the workbench. |
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the part and help prevent distortion. This is particularly true of |
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3. Remove the Motor Clamp Washer (21) and the Motor Seal (20) |
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threaded members and housings. |
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from the assembled motor in the Housing. |
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3. Do not remove any part which is a press fit in or on a |
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4. Grasp the shaft of the Rotor (15) and pull the assembled motor |
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subassembly unless the removal of that part is necessary for |
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out of the Motor Housing. |
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repairs or replacement. |
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5. To remove the throttle unit, grasp the hex of the Inlet Bushing |
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4. Do not disassemble the tool unless you have a complete set of |
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Assembly (4) in vise jaws with the Motor Housing upward. |
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gaskets and O-rings for replacement. |
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6. Using the Inlet Retainer Removal Tool (37), depress the two tabs |
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Disassembly of the Tool |
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on the Inlet Bushing Retainer (7), located 180 degrees apart, |
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Each Series QP Drill is made up using three modules or units which |
while pulling the Housing off the Inlet Bushing Assembly. |
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7. If the Inlet Bushing Seal (8F) remained in the Housing when |
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include a housing and throttle unit, a motor unit and a combined |
the Inlet Bushing Assembly was removed, remove it from the |
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gearing and spindle unit. The tool can be disassembled for repairs to |
Housing. |
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each individual unit without disturbing the other units. To separate |
Disassembly of the Gearing |
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the modules, proceed as follows: |
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1. Remove the Chuck (35) using the following technique: |
1. For Series QP05, QP09, QP15, QP20 and QP38, using snap |
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a. Insert the short leg of a 1/4” hex wrench into the jaws of the |
ring pliers, remove the Gear Retainer (22) from inside the Gear |
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Chuck and tighten the Chuck. |
Case (30) and remove the Gear Head Spacer (23). |
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b. Using a brass hammer, sharply rap the long leg of the wrench |
2. For Series QP38, lightly rap the motor end of the Gear Case on |
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in a counterclockwise direction to loosen the Chuck. |
a wooden work bench top to remove the Planet Gear Head Drive |
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c. Unscrew and remove the Chuck from the spindle. |
Plate (24), Planet Gear Head Assembly (25) and the Planet Gear |
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2. To separate the Gear Case (30) from the Housing (1), proceed as |
Head Spacer (28). |
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follows: |
For Series QP05 and QP09, lightly rap the motor end of the Gear |
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a. Install a standard 1-1/16” open end wrench on the flats of the |
Case on a wooden work bench top to remove the three Planet |
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Gear Case. |
Gears (26), the Planet Gear Head Assembly (25) and the Planet |
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b. Grasp the handle portion of the Motor Housing and rotate |
Gear Head Spacer (28). |
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For Series QP15 and QP20, lightly rap the motor end of the Gear |
Cylinder (13). |
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Case on a wooden work bench top to remove the three Planet |
3. Remove the Vanes (16) from the Rotor. |
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Gears (26), the Rotor Pinion (27), the Planet Gear Head |
4. Support the Front End Plate Assembly (17), as near the rotor body |
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Assembly (25) and the Planet Gear Head Spacer (28). |
as possible, on the table of an arbor press and press the Rotor |
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from the Front Rotor Bearing (19). Remove the Bearing from the |
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NOTICE |
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Front End Plate. |
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If the Spindle Assembly is being removed or replaced, the |
Disassembly of the Throttle Mechanism |
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Spindle Bearing and Spindle Cap Bearing may be damaged |
1. Grasp the hex of the Inlet Bushing Assembly (4) in leather-covered |
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during the removal process. We recommend that new |
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or copper-covered vise jaws with the end having the Inlet Bushing |
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replacement bearings be available for installation when the tool |
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Screen (5) downward. |
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is reassembled. |
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2. Remove the Inlet Bushing Seal (8F) from the Inlet Bushing |
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3. Stand the Gear Case on the table of an arbor press with the |
Assembly. |
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threaded end of the Spindle Assembly (29) upward. Using a rod |
3. Using snap ring pliers, remove the Valve Seat Retainer (8E) and the |
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slightly smaller than the spindle shaft, press the Spindle Assembly |
Valve Seat Support (8D) from the Bushing. |
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out of the Spindle Cap Bearing (34) and Spindle Bearing (31). |
4. Using a hooked tool without sharp edges or points, remove the |
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4. Insert a long, small drift through the central opening of the |
Throttle Valve Seat (8C) from inside the Bushing. |
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Spindle Bearing and push the Bearing Spacer (32) off to one side. |
5. Remove the Throttle Valve (8A) and Throttle Valve Spring (8B) from |
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Using a hammer with the drift, tap the inner ring of the Spindle |
the Bushing. |
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Cap Bearing. Repeat the process at several points until the |
6. If the Inlet Bushing Screen is dirty, flush it clean using a clean, |
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Bearing is free from the Gear Case. Remove the Bearing Spacer |
suitable, cleaning solution in a well ventilated area. Remove |
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from the Gear Case. |
the Screen only if it is damaged or as a last resort and have |
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5. Using snap ring pliers, remove the two Bearing Stops (33). |
a replacement Screen on hand whenever removal becomes |
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6. Stand the Gear Case on the table of an arbor press with the |
necessary. Use the eraser end of a pencil to push it out the inlet |
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threaded end upward, and press the Spindle Bearing out of the |
end of the Bushing. |
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Gear Case. |
7. If the Inlet Bushing Bezel (6) needs replacement, slightly spread |
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Disassembly of the Motor |
the Inlet Bushing Retainer (7) and push it off the side of the |
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Bushing. Slide the Bezel off the Bushing. |
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1. Using snap ring pliers, remove the Rear End Plate Assembly |
8. To remove the Trigger Assembly (3A), insert a long probe with a |
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Retainer (12) and slide the Rear End Plate Assembly (11) off the |
small hook into the opening for the Inlet Bushing Assembly in the |
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rear hub of the Rotor. |
Motor Housing (1) and hooking the Trigger Retainer (3B), pull the |
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2. Use a piece of leather or other protective material to grasp the |
Retainer out of the Housing. Pull the Trigger out of the Housing. |
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splined shaft of the Rotor and pull the assembled Rotor out of the |
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Assembly |
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General Instructions |
covered vise jaws with the throttle valve opening upward. |
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1. Always press on the inner ring of a ball-type bearing when |
6. Insert the Throttle Valve Spring (8B), large end leading, followed |
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by the Throttle Valve (8A), long stem end trailing, into the valve |
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installing the bearing on a shaft. |
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opening. |
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2. Always press on the outer ring of a ball-type bearing when |
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7. Place the Throttle Valve Seat (8C) followed by the Valve Seat |
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pressing the bearing into a bearing recess. |
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Support (8D) in the opening against the Valve. |
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3. Whenever grasping a tool or part in a vise, always use leather- |
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8. Using snap ring pliers while compressing the Throttle Valve |
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covered or copper-covered vise jaws to protect the surface of |
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Spring and moving the Seat and Support inward, capture the |
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the part and help prevent distortion. This is particularly true of |
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components by installing the Valve Seat Retainer (8E) in the |
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threaded members and housings. |
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Bushing internal groove. |
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4. Except for bearings, always clean every part and wipe every part |
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9. Moisten the Inlet Bushing Seal (8F) with o-ring lubricant and |
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with a thin film of oil before installation. |
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install it on the exterior of the Inlet Bushing. |
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5. Apply o-ring lubricant to all O-rings before final assembly. |
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10.Remove the assembled Bushing from the vise jaws. If the Inlet |
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6. Check every bearing for roughness. If an open bearing must be |
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Bushing Screen was removed, use a flat faced dowel slightly less |
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cleaned, wash it thoroughly in a clean, suitable cleaning solution |
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than 1/2” in diameter to push the new Screen into the opening at |
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and dry with a clean cloth. Sealed or shielded bearings should |
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the hex end of the Bushing. |
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never be cleaned. Work grease into every open bearing before |
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Assembly of the Motor |
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installation. |
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Assembly of the Throttle Mechanism |
1. Place the Front End Plate (17) on the splined shaft of the |
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1. If the Trigger Assembly (3A) was removed, insert the shaft of the |
Rotor (15) with the bearing recess away from the rotor body. |
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2. Place the Front Rotor Bearing (19) onto the shaft and using a |
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Trigger into the Motor Housing (1) and push it all the way into the |
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sleeve or piece of tubing that contacts the inner race of the |
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trigger recess in the Housing until it stops. |
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Bearing, press the Bearing onto the shaft until the Front End Plate |
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2. Using long reach needle nose pliers to hold the Trigger |
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nearly contacts the rotor body. |
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Retainer (3B), insert the Retainer into the inlet bushing opening |
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and install the straight leg of the Retainer in the hole through the |
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NOTICE |
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shaft of the Trigger. |
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3. Install the Inlet Bushing Bezel (6), convex end leading, onto the |
In the following step, the measurement must be made at the end |
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Inlet Bushing Assembly (4). Bring the convex end into contact |
corner of the large rotor body. |
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with the hex at the inlet end of the Bushing. |
3. The clearance between the Front End Plate and Rotor is critical. |
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4. Spread the opening slightly on the Inlet Bushing Retainer (7) and |
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While pressing down with your finger on the outer edge of the |
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install it around the Inlet Bushing with the tab end nearest to the |
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Front End Plate on the bearing side, insert a 0.004” (0.1 mm) feeler |
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bushing hex and against the Bezel. |
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gauge between the face of the rotor body and the face of the End |
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5. Grasp the hex of the Inlet Bushing in leather-covered or copper- |
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Plate at a point that is 180 degrees from where the pressure is |
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16572679_ed2 |
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