ARO PD05X-X-X-B Operator's Manual - Page 8

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ARO PD05X-X-X-B Operator's Manual
(n) Indicates parts included in 637428 Air Section Repair Kit.
Item
Description
(size)
101 Center Body
103R Cover
(right side)
103L Cover
(left side)
107 Plug, Small
111 Major Valve Spool
118 Actuator Pin
n
121 Washer
123 Screw
(#4 - 20 x 1/2")
129 Muffler Assembly
u 129 Exhaust Cover
(optional)
u 130 Gasket
(optional)
n
132 Air Manifold Gasket
134 Flange Bolt
(1/4" - 20 x 5-3/4")
135 Valve Block
136 Plug, Large
n
137
O" Ring
(1/16" x 1-5/8" o.d.)
n
138
U" Cup Packing
(1/8" x 1" o.d.)
n
139
U" Cup Packing
(1/8" x 1-7/16" o.d.)
K Fluid Section service kit parts, see page 4.
MATERIAL CODE
[B]
= Nitrile
[PPG] = Glass Filled Polypropylene
[C]
= Carbon Steel
[SS] = Stainless Steel
[CK] = Ceramic
[SY] = Syn-Seal
[D]
= Acetal
[U]
AIR MOTOR SECTION SERVICE
Service is divided into two parts - 1. Pilot Valve, 2. Major Valve.
S
Air Motor Section Service is continued from Fluid Section repair.
PILOT VALVE DISASSEMBLY
1. Remove (123) screws, releasing (103) covers, (121) washers, (118)
actuator pins and (167) pilot piston.
2. Remove (170) spool bushing and inspect inner bore of bushing for
damage.
PILOT VALVE REASSEMBLY
1. Clean and lubricate parts not being replaced from service kit.
2. Assemble (171) O" rings to (170) bushing and assemble bushing
into (101) center body.
3. Lubricate and assemble (167) pilot piston assembly into (170) bush-
ing.
4. Assemble (173 and 174) O" rings and (121) washers to (103) cov-
ers, then insert (118) actuator pins through assembly.
5. Assemble (144) U" cups (note the lip direction) and (103) covers to
(101) center body, securing with (123) screws. NOTE: Tighten (123)
screws to 4 - 6 in. lbs (0.45 - 0.68 Nm).
Page 8 of 12
PARTS LIST / PD05R-X-X-B AIR MOTOR SECTION
Qty Part No.
(1)
96315
[PPG]
(1)
96091
(1)
96351
(1)
96353
(1)
95919
(2)
94874-1
(2)
96092
(8)
96093
(1)
67367
[PPG]
(1)
67366
[PPG]
(1)
93107
(1)
96214-1
(4)
94871
(1)
96204
[PPG]
(1)
96352
(3)
Y325-29
(1)
94395
(1)
96383
= Polyurethane
[Mtl]
Item
Description
140 Valve Insert
[D]
141 Valve Plate
[D]
Kn
144
U" Cup Packing
n
[D]
166
O" Ring
(1/16" x 1-1/4" o.d.)
n
[D]
167 Pilot Piston
[SS]
168
O" Ring
(1/16" x 7/16" o.d.)
[D]
169
U" Cup Packing
[SS]
170 Spool Bushing
n
171
O" Ring
(1/16" x 13/16" o.d.)
n
173
O" Ring
(3/32" x 7/8" o.d.)
[SY]
Kn
174
O" Ring
(3/32" x 11/32" o.d.)
n
[B]
200 Porting Gasket
[SS]
201 Muffler
(optional)
u 232
O" Ring
(1/16" x 3/8" o.d.)
u Ported Exhaust Kit
[D]
129, 130 and 232)
[B]
n
K
[U]
Lubriplate FML-2 Grease
Lubriplate Grease, 10 Pack
[U]
MAJOR VALVE DISASSEMBLY
1. Unthread (134) bolts, releasing (129) muffler assembly.
2. Pull (135) valve block and components from (101) center body.
3. Remove (132) gasket, (141) valve plate and (140) valve insert from
(135) valve block.
4. Remove (134) bolts, releasing (107 and 136) plugs and (111) spool.
MAJOR VALVE REASSEMBLY
1. Assemble new (139 and 138) U" cups on (111) spool - LIPS MUST
FACE EACH OTHER.
2. Assemble (137) O" rings to (136) large plug.
3. Assemble (137 and 166) O" rings to (107) small plug.
4. Insert (111) spool into (136) large plug, then insert (136) large plug
into (135) valve block, being sure the (111) spool is rotated to accept
(140) valve insert.
5. Assemble (107) small plug into (135) valve block.
6. Assemble (140) valve insert and (141) valve plate to (135) valve
block. Note: Assemble (140) valve insert with dished" side toward
(141) valve plate. Assemble (141) valve plate with identification dot
toward (132) gasket.
7. Assemble (132 and 200) gaskets, (135) valve block and (129) muf-
fler assembly to (101) center body, securing with (134) bolts. NOTE:
Tighten (134) bolts to 15 - 20 in. lbs (1.7 - 2.3 Nm).
Qty Part No.
(size)
(1)
93276
(1)
96173
(2)
Y187-48
(3/16" x 1" o.d.)
(1)
Y325-24
(1)
67382
(includes 168 and 169)
(2)
96459
(1)
96384
(1/8" x 5/8" o.d.)
(1)
96090
(2)
Y325-17
(2)
Y325-115
(2)
Y325-105
(1)
96364
(1)
93110
(4)
Y325-10
(optional)
(1)
637438
(includes items
(optional)
(1)
94276
637308
[Mtl]
[CK]
[CK]
[B]
[B]
[D]
[U]
[U]
[D]
[B]
[B]
[B]
[B]
[C]
[B]
−−−
PD05X-X-X-B (en)