ARO RS26A–VLK Manuale dell'operatore - Pagina 5

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PART NUMBER FOR ORDERING
1
Housing
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
2
Valve Stem
. . . . . . . . . . . . . . . . . . . . . . . . . .
3
Lever
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
Roll Pin
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5
Grip Ring
. . . . . . . . . . . . . . . . . . . . . . . . . . .
6
Seat
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7
Tip Valve
. . . . . . . . . . . . . . . . . . . . . . . . . . .
8
Spring
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9
Inlet Adapter
. . . . . . . . . . . . . . . . . . . . . . . .
10
Muffler Tube
. . . . . . . . . . . . . . . . . . . . . . . . .
11
Dowel Pin
. . . . . . . . . . . . . . . . . . . . . . . . . . .
14
Shroud
for models RS25A–VLK
for models RS26A–VLK
15
Retaining Ring
. . . . . . . . . . . . . . . . . . . . . . .
16
Bearing (2 req'd)
. . . . . . . . . . . . . . . . . . . . .
17
Rear End Plate
. . . . . . . . . . . . . . . . . . . . . .
18
Cylinder (includes roll pin)
Always wear eye protection when operating or performing
maintenance on this tool.
Always turn off the air supply and disconnect the air sup-
ply hose before installing, removing or adjusting any
accessory on this tool or before performing any mainte-
nance on this tool.
•
Never apply excessive pressure by a holding device which
may cause distortion of a part.
•
Apply pressure evenly to parts which have a press fit.
•
Apply even pressure to the bearing race that will be press
fitted to the mating part.
•
Use correct tools and fixtures when servicing this tool.
•
Don't damage ''O" rings when servicing this tool.
•
Use only genuine ARO replacement parts for this tool. When
ordering, specify part number, description, tool model number
and serial number.

MOTOR DISASSEMBLY

– Remove retaining ring (28).
– Remove spindle assembly (27) (includes bearing). NOTE: Do
not attempt to remove bearing from spindle.
– Remove lock ring (24) and pull motor and seal (19) from hous-
ing.
– Remove retaining ring (15).
– Using special brass blocks to fit around o.d. of cylinder, clamp
around cylinder and press shaft of counterbalance thru bear-
ing (16) and end plate (17).
– Remove blades (21), rotor (20) and key (25).
– Remove end plate (22) and bearing (16).
49812–1
48065–2
49936
Y178-134
49798
48071
48070
32858
49824
48263–1
Y148–16
. . . . . . . . . . . . . .
48876
. . . . . . . . . . . . . .
48878
44533
48169–1
48872
. . . . . . . . . . . . .
49815
DISASSEMBLY/ASSEMBLY INSTRUCTIONS
PART NUMBER FOR ORDERING
19
Seal
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
20
Rotor
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
21
Blade (5 req'd)
. . . . . . . . . . . . . . . . . . . . . . .
22
Front End Plate
. . . . . . . . . . . . . . . . . . . . . .
23
O Ring
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
24
Lock Ring
. . . . . . . . . . . . . . . . . . . . . . . . . . .
25
Key
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
26
Counterbalance (includes needle bearing)
for models RS25A–VLK
for models RS26A–VLK
27
Spindle Assembly (includes bearing)
28
Retaining Ring
. . . . . . . . . . . . . . . . . . . . . . .
30
Wrench (not shown)
31
Eductor Assembly
Service Kit: includes items 8, 15, 16, 21,
27 and 28
. . . . . . . . . . . . . . . . . . . . . . . . . .
– Do not remove dowel pin (11) from housing (1) unless damage
is evident. To remove, press pin out from inside of housing.

MOTOR ASSEMBLY

– Assemble dowel pin (11) into housing (1), pressing flush with
surface of housing.
– Grease and assemble ''O" ring (23) to lock ring (24).
– Assemble lock ring (24) over counterbalance (26).
– Assemble bearing (16) into end plate (22), pressing on outer
race of bearing.
– Assemble end plate (22) onto shaft of counterbalance, press-
ing on inner race of bearing.
– Install key (25) in key slot.
– Assemble rotor (20) to counterbalance, aligning keyway to
key (25).
– Assemble five rotor blades (21) to rotor slots.
– Assemble cylinder (18) over rotor, aligning roll pin in cylinder
with slot in end plate.
– Assemble bearing (16) into end plate (17), pressing on outer
race of bearing.
– Assemble end plate (17), with bearing (16), to counterbal-
ance, pressing on inner race of bearing. NOTE: Align slot in
end plate with roll pin in cylinder.
– Install retaining ring (15) to groove in counterbalance, with
bow in ring positioned as shown on parts illustration page.
– Assemble seal (19) to grooves in cylinder.
– Assemble motor to housing, aligning seal (19) with air inlet.
– Tighten lock ring (24), securing motor assembly.
– Lubricate needle bearing, contained in counterbalance, with
ARO 33153 grease.
– Assemble spindle assembly (27) to counterbalance, securing
with retaining ring (28).
5
49819
48253–1
48254–1
48871
Y325–223
48257–1
39442
. . . . . . . . . . . . . .
49808–5
. . . . . . . . . . . . . .
49808–6
. . . .
49807
Y147–125
. . . . . . . . . . . . . . . . . .
30131–2
. . . . . . . . . . . . . . . . . . . .
49976
49837