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30/35PTH.C..
5. What to Do If...
...the torque is too low?
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Is the throttle exhaust adjusted correctly?
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Is the flow pressure too low?
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Is the reverse button not in one of its end positions?
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Is the inlet screen dirty?
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Is the muffler dirty?
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Is sufficient oil in the pulse unit?
6. Repair Instructions
6.1 Removing the Motor
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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.
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Loosen housing <94>/<139> by turning counterclockwise using a
strap wrench.
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Pull off housing together with pulse unit.
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Remove countersunk screw <15> and reverse button <14>.
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Knock pistol grip housing on soft surface and take motor parts out.
6.2 Trigger Valve Disassembly
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Lift the plastic trigger button <25> out with 2 screwdrivers.
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Loosen the plug <24> with pin wrench <F> (pitch 11 mm, diameter
2 mm) counterclockwise.
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Pull the loosened valve unit vertically down and 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.
-
Press rotor cover <42> with ball bearing <41> on rotor <47> with
fixture <D> (8. Assembly Instructions, fig. 6 + 7)
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Mount air distributor <40> onto rotor.
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Assemble seal ring <34> in shut-off piston <33>.
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Slide shut-off ram <37> into rotor (assembly device) and put both
completely into device <G> (Fig. 9)
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Install actuating bolt <36> and balls <45>.
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Fit compression spring <35> in drilling.
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Fasten pre-assembled shut-off piston <33> to rotor.
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Lift rotor completely (without shut-off ram <37>) from assembly
device. The shut-off piston is interlocked with the rotor.
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Assemble centrifugal force controller <32> - <26> (7. Spare Parts
Exploded View)
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Mount o-ring <38>
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Insert the pre-assembled parts in the pistol housing. To do so the
bore at the periphery of the air distributor <40> must be adjusted
concentric to the reverse button groove to enable a setting with the
pin.
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Assemble reverse button <14> and countersunk screw <15>.
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Insert rotor cylinder <44> with shear keys <43> into pistol grip
housing.
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Insert the blades <46> into the rotor grooves.
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Put the rotor cover and the ball bearing into the pistol grip housing.
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Assemble sleeve <50>.
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Slide shut-off ram <37> back into the rotor
Do only switch on motor when pulse unit <90>/135> and
housing <94>/<139> are assembled.
Caution!
Caution!
When installing the screen <8>/<11>, be sure the circlip
<9>/<12> is lying flat on the screen.
6.4 Dismounting the Pulse Unit
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
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Quick-change model: remove retaining ring, ring, compression
spring, sleeve and ball first.
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Remove retaining ring <89>/<134> and pull housing <94>/<139>
off pulse unit.
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Fix fixture <C1> in vice and insert pulse unit in fixture at motor input
slot (8. Assembly Instructions, fig. 1).
To avoid endangering health or environment, always
comply with the local regulations for security and prevention
of accidents.
Avoid direct skin contact when working with oil to prevent
skin irritations.
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Remove set bolt <80>/<125> and ball <79>/<124>.
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Loosen the bearing ring <78>/<123> with the device <C2>.
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Remove the bearing ring above an oil pan and pull the hydraulic
rotor <73>/<118> from the housing.
Hydraulic roller is spring-loaded!
-
By removing the stop washer asm. <88>/<133> all parts built in the
hydraulic rotor can be removed.
Caution!
Caution!
The assembled stop washer must only be removed with
the fixture <H> (see Assembly instructions P1746E).
-
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 prevent damage to the sealing and O-rings, grease
them prior to assembly with grease (Order No. 914392).
-
Reassemble by reversing the disassemby process as shown
(7. Spare parts exploded view).
-
Push parts <57> - <52> (
the hydraulic cylinder and secure them with the circlip <51>/<96>
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Install O-ring <75>/<120> and O-ring <67>/<112> on hydraulic
rotor <73>/<118>.
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Fit O-ring <65>/<110>, needle roll <64>/<109> and sleeve <95>/
<147> in the hydraulic rotor.
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Push the washer <74>/<119>, the bearing ring <78>/<123> and
the O-ring <77>/<122> onto the long end of the shaft and insert
into the fixture <C2>.
Caution!
Caution!
The control slides at the facing surface of the disk points
towards the slots in the rotor.
-
Insert the compression springs <68>/<113> and the hydraulic
rollers <69>/<114>.
-
Press the hydraulic roller manually against the force of the spring
into the groove and slide the hydraulic sleeve <63>/<108> on top
(8. Assembly Instructions, fig. 2).
Hydraulic roller is spring-loaded!
P1784E 06/04
3/8") or <102> to <97> (
1/4" ) onto
9
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