PD05X-X-X-B (en)
Page 6 of 12
PARTS LIST / PD05A-X-X-B AIR MOTOR SECTION
(
n
) Indicates parts included in 637428 Air Section Repair Kit.
Item
Description
(size)
Qty
Part No.
[Mtl]
Item
Description
(size)
Qty
Part No.
[Mtl]
101
Center Body
(1)
95978
[A]
103R
Cover
(right side)
(1)
96091
[D]
103L
Cover
(left side)
(1)
96351
[D]
111
Major Valve Spool
(1)
95919
[D]
118
Actuator Pin
(2)
94874-1
[SS]
n
121
Washer
(2)
96092
[D]
123
Screw
(#4 - 20 x 1/2")
(8)
96093
[SS]
129
Exhaust Cover
(1)
95979
[A]
130
Gasket
(1)
96632
[B]
n
132
Air Manifold Gasket
(1)
96214-1
[B]
134
Flange Bolt
(1/4" - 20 x 5-3/4")
(4)
94871
[SS]
135
Valve Block
(1)
95980
[Z]
136
Plug, Large
(1)
95982
[A]
n
137
O" Ring
(1/16" x 1-5/8" o.d.)
(2)
Y325-29
[B]
n
138
U" Cup Packing
(1/8" x 1" o.d.)
(1)
94395
[U]
n
139
U" Cup Packing
(1/8" x 1-7/16" o.d.)
(1)
96383
[U]
140
Valve Insert
(1)
93276
[CK]
141
Valve Plate
(1)
96173
[CK]
Kn
144
U" Cup Packing
(3/16" x 1" o.d.)
(2)
Y187-48
[B]
n
167
Pilot Piston
(includes 168 and 169)
(1)
67382
[D]
168
O" Ring
(1/16" x 7/16" o.d.)
(2)
96459
[U]
169
U" Cup Packing
(1/8" x 5/8" o.d.)
(1)
96384
[U]
170
Spool Bushing
(1)
96090
[D]
n
171
O" Ring
(1/16" x 13/16" o.d.)
(2)
Y325-17
[B]
n
173
O" Ring
(3/32" x 7/8" o.d.)
(2)
Y325-115
[B]
Kn
174
O" Ring
(3/32" x 11/32" o.d.)
(2)
Y325-105
[B]
n
200
Porting Gasket
(1)
96364
[B]
201
Muffler
(1)
93110
[C]
n
232
O" Ring
(1/16" x 3/8" o.d.)
(4)
Y325-10
[B]
250
Screw
(1/4" - 14 x 1/2")
(1)
Y334-104-C
[C]
K
n
Lubriplate FML-2 Grease
(1)
94276
Lubriplate Grease, 10 Pack
637308
K
Fluid Section service kit parts, see page 4.
MATERIAL CODE
[A]
= Aluminum
[D]
= Acetal
[B]
= Nitrile
[SS]
= Stainless Steel
[C]
= Carbon Steel
[U]
= Polyurethane
[CK]
= Ceramic
[Z[
= Zinc
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 10 - 12 in. lbs (1.13 - 1.36 Nm).
MAJOR VALVE DISASSEMBLY
1. Unthread (134) bolts, releasing (129) exhaust cover.
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 (136) plug 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. 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.
4. 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.
5. Assemble (132 and 200) gaskets, (135) valve block, (130) gasket
and (129) exhaust cover to (101) center body, securing with (134)
bolts. NOTE: Tighten (134) bolts to 15 - 20 in. lbs (1.7 - 2.3 Nm).
