Repair Instructions; Motor Disassembly; Trigger Valve Disassembly; Motor Assembly - Cooper Tools Cleco 140PH Serie Manual Del Usuario

140/160PH
5. What to Do If...
...the torque is too low?
- Is the throttle exhaust adjusted correctly?
- Is the flow pressure too low?
- Is the reverse button not in one of its end positions?
- Is the inlet screen dirty?
- Is the muffler dirty?
- Is sufficient oil in the pulse unit?

6. Repair Instructions

6.1 Motor Disassembly

- Clamp the tool in a vice with plastic jaws on its pistol grip <1>.
Caution! Caution!
Do not damage the rubber coating of the grip.
- Loosen housing <62>/<89> by turning counterclockwise using a
strap wrench.
- Pull off housing and pulse unit.
- Remove countersunk screw <13> and reverse button <12>.
- Knock pistol grip housing on soft surface and take power unit parts
out.

6.2 Trigger Valve Disassembly

- Lift the plastic trigger button <22> out with 2 screwdrivers.
- Loose the plug <21> with pin wrench <F> (pitch 11 mm, diameter
2 mm) counterclockwise.
- Pull the loosened valve unit vertically down and out.
- Take pieces completely out.

6.3 Motor Assembly

Caution! Caution!
To prevent damage to the sealing and O-rings, grease
them prior to assembly with grease (Order No. 914392).
Be sure to assemble the parts in the sequence shown on
the spare parts drawing.
- Install the O-ring <23> and the air distributor <24>.
- To be able to push the pin into the bore on the pistol grip housing,
the radial auxiliary bore of the air distributor must be aligned with
the centre of the switch-over groove.
- Press the roller bearing <25> together with the rotor cover <26>
onto the rotor <30> using <D> (8. Assembly Instructions, figs. 8 + 9).
Then install it in the pistol grip housing.
- Assemble reverse button <12> and suspension bail <13>.
- Insert rotor cylinder <28> with shear keys <27> into pistol grip
housing.
- Insert the blades <29> into the rotor grooves.
- Put the ball bearing <32> and the circlip <33> into the rotor cover
<31> and mount all into the pistol grip housing.
- Assemble sleeve <34>.
Caution! Caution!
When installing the screen <6>/<9>, be sure the circlip
<7>/<10> is lying flat on the screen.

6.4 Pulse Unit Disassembly

Allowed only if filling with oil filling unit <A> can be
guaranteed. The pulse unit must have cooled down to
room temperature.
Caution! Caution!
Be sure retaining rings are not extended excessively
- With quick-disconnect attachment first remove <95> - <91>.
- Remove retaining ring <35>/ <90>. Pull pulse unit <36>/<63> out
of housing <62> / <89>.
- Clamp the hydraulic cylinder <44>/<71> slightly in a vice with flat
chops (8. Assembly Instructions, fig. 1).
To avoid endangering health or the environment, study
and comply with all Federal, State and Local Regulations.
Avoid direct skin contact when working with oil to prevent
skin irritations.
- Remove set bolt <58>/<85>. Remove ball <57>/<84> by turning
the drive shaft <51>/<78>, keeping the opening away from the
body.
- Loosen the bearing ring <55>/<82> with the device <C>.
- Remove the bearing ring above an oil pan and pull the hydraulic
rotor <51>/<78> from the housing.
Hydraulic roller is spring-loaded!
- Clean all parts
Caution! Caution!
Always only use original spares from CLECO. Use of
foreign spares entitles the manufacturer of the tool to void
the warranty.
6.5 Assembly of the Pulse Unit
Caution! Caution!
To avoid damage to the o-rings apply grease (part
n° 914392) to them before mounting.
- Reassemble by reversing the disassemby process as shown
(7. Spare parts exploded view).
- Push parts <43> - <38> (
the hydraulic cylinder <44>/<71> and secure them with the circlip
<37>/<64>
- Assemble o-ring <53>/<80> and support ring <54>/<81> on
hydraulic rotor <51>/<78>.
- Push fixture <E> over long side of shaft on hydraulic rotor
(8. Assembly instructions, fig. 2).
- Insert compression springs and blades over the slots of fixture <E>
by pressing them down and turning the hydraulic rotor into the
hydraulic rotor slots (fig. 3).
- Adjust control blade <50>/<77> (with long shaft end) towards bore
in fixture (fig. 4).
- Assemble needle roller <45>/<72> into hydraulic cylinder.
- Insert the preassembled parts by means of <E> into hydraulic
cylinder <44>/<71> so that needle roll <45>/<72> and bore met.
Remove <E> (fig. 5-6).
- Mount disc <52>/<79> and positon over needle roll.
Caution! Caution!
The control slides at the facing surface of the disk points
towards the slots in the rotor
- Put up bearing ring <55>/<82> with o-ring <56>/<83>.
- Clamp the pulse unit slightly in a vice with flat chops.
- Tighten bearing ring by means of fixture <C> until the limit stop.
- Undo the bearing ring by about 360° +90° and carry out the oil
filling:
P1643E 04/06
1/2") or <70> to <65> ( 7/16" ) onto
9