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75PH
6. R
I
EPAIR
NSTRUCTIONS
6.1 R
P
EMOVING THE
OWER
-
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 <66>/<91> by turning counterclockwise using a
strap wrench.
-
Pull off housing and pulse unit.
-
Remove countersunk screw <15> and reverse button <14>.
-
Knock pistol grip housing on soft surface and take power unit parts
out.
6.2 T
V
D
RIGGER
ALVE
ISASSEMBLY
-
Lift the plastic trigger button <25> out with 2 screwdrivers.
-
Loose the plug <24> 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 M
A
OTOR
SSEMBLY
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 <26> and the air distributor <27>.
-
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 <29> together with the rotor cover <30>
onto the rotor <34> using <D> (8. Assembly Instructions,
figs. 8 + 9). Then install it in the pistol grip housing.
-
Assemble reverse button <14> and suspension bail <15>.
-
Insert rotor cylinder <32> with shear keys <31> into pistol grip
housing.
-
Insert the blades <33> into the rotor grooves.
-
Put the rotor cover and the ball bearing into the pistol grip housing.
-
Assemble sleeve <37>.
Caution!
Caution!
When installing the screen <8>/<11>, be sure the circlip
<9>/<12> is lying flat on the screen.
6.4 P
U
D
ULSE
NIT
ISASSEMBLY
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 <97> - <92>.
-
Place the pulse unit with the motor seat slot into the fixture <C1>
and clamp it in a vice (8. Assembly Instructions, fig. 1).
U
NIT
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 <63>/<88>. Remove ball <62>/<87> by turning
the drive shaft <54>/<82>, keeping the opening away from the
body.
-
Loosen the bearing ring <60>/<85> with the device <C2>.
-
Remove the bearing ring above an oil pan and pull the hydraulic
rotor <54>/<82> 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 A
SSEMBLY OF THE
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 <46> - <41> (
the hydraulic cylinder <47>/<75> and secure them with the circlip
<40>/<68>
-
Assemble o-ring <59>/<84> on hydraulic rotor <54>/<82>.
-
Push fixture <E1> over long side of shaft on hydraulic rotor
(8. Assembly instructions, fig. 2).
-
Insert compression springs and blades over the slots of fixture
<E1> by pressing them down and turning the hydraulic rotor into
the hydraulic rotor slots (8. Assembly instructions, fig. 3).
-
Adjust control blade <53>/<81> (with long shaft end) towards bore
in fixture (fig. 4).
-
Assemble needle roller <48>/<76> into hydraulic cylinder <47>/
<75>.
-
Using <E1> slide the hydraulic rotor <54>/<82> into hydraulic
cyclinder <47>/<75> so that the fastening bore of <E1> matches
needle roller (Fig. 5).
-
Using <E2> slide the hydraulic rotor into the hydraulic cylinder
until both are flush (Fig. 6).
-
Remove <E1> and <E2>.
-
Mount disc <58>/<83> and positon over needle roll <48>/<76>.
Caution!
Caution!
The control slides at the facing surface of the disk points
towards the slots in the rotor.
-
Put up bearing ring <60>/<85> with o-ring <61>/<86>.
-
Insert pulse unit <39>/<67> into fixture <C1>.
-
Tighten bearing ring by means of fixture <C2> until the limit stop.
-
Undo the bearing ring by 360° +90° and carry out the oil filling:
P1635E 09/02
P
U
ULSE
NIT
1/2") or <74> to <69> (
7/16") onto
9
Publicidad
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