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Page 8 of 12 PD05X-XXX-XXX-B (en)
n
Indicates parts included in uid section service kit, see page 4.
MATERIAL CODE
[B] = Nitrile [PPG] = Glass lled Polypropylene
[C] = Carbon Steel [SS] = Stainless Steel
[Ck] = Ceramic [Sy] = Syn-Seal
[D] = Acetal [U] = Polyurethane
AIR MOTOR SECTION SERVICE
Service is divided into two parts - 1. Pilot Valve, 2. Major Valve.
Air Motor Section service is continued from Fluid Section repair.
PILOT VALVE DISASSEMBLY
Remove (123) screws, releasing (103) covers, (121) washers,
(118) actuator pins and (167) pilot piston.
Remove (170) spool bushing and inspect inner bore of bushing
for damage.
PILOT VALVE REASSEMBLY
Clean and lubricate parts not being replaced from service kit.
Assemble (171) “O” rings to (170) bushing and assemble bush-
ing into (101) center body.
Lubricate and assemble (167) pilot piston assembly into (170)
bushing.
Assemble (173 and 174) “O” rings and (121) washers to (103)
covers, then insert (118) actuator pins through assembly.
Assemble (144) “U” cups (note the lip direction) and (103) cov-
ers to (101) center body, securing with (123) screws. NOTE:
tighten (123) screws to 4 - 6 in. lbs (0.45 - 0.68 Nm).
y
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MAJOR VALVE DISASSEMBLY
Unthread (134) bolts, releasing (129) mu er assembly.
Pull (135) valve block and components from (101) center body.
Remove (132) gasket, (141) valve plate and (140) valve insert
from (135) valve block.
Remove (134) bolts, releasing (107 and 136) plugs and (111)
spool.
MAJOR VALVE REASSEMBLY
Assemble new (139 and 138) “U” cups on (111) spool - LIPS
MUST FACE EACH OTHER.
Assemble (137) “O” rings to (136) large plug.
Assemble (137 and 166) “O” rings to (107) small plug.
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.
Assemble (107) small plug into (135) valve block.
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 iden-
ti cation dot toward (132) gasket.
Assemble (132 and 200) gaskets, (135) valve block and (129)
muffler assembly to (101) center body, securing with (134)
bolts. NOTE: Tighten (134) bolts to 15 - 20 in. lbs (1.7 - 2.3 Nm).
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PARTS LIST / PX05R-XXX-XXX-B AIR MOTOR SECTION
AIR MOTOR PARTS LIST
Item Description
(size)
Qty Part No. Mtl
101 Center Body (1) 96315 [PPG]
103R Cover
(right side)
(1) 96091 [D]
103L Cover
(left side)
(1) 96351 [D]
107 Plug, Small (1) 96353 [D]
111 Major Valve Spool (1) 95919 [D]
118 Actuator Pin (2) 97111 [SS]
p
121 Washer (2) 96092 [D]
123 Screw
(#4 - 20 x 1/2”)
(8) 96093 [SS]
129 Mu er Assembly (1) 67367 [PPG]
q
129 Exhaust Cover
(optional)
(1) 67366 [PPG]
q
130 Gasket
(optional)
(1) 93107 [Sy]
p
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) 96204 [PPG]
136
Plug, Large
(PD05R-XXX-XXX-B)
(1) 96352 [D]
(PE05R-XXX-XXX-B)
(1) 96462 [D]
p
137 “O” Ring
(1/16” x 1-5/8” o.d.)
(3) Y325-29 [B]
p
138 “U” Cup Packing
(1/8” x 1” o.d.)
(1) 94395 [U]
p
139 “U” Cup Packing
(1/8” x 1-7/16” o.d.)
(1) 96383 [U]
Item Description
(size)
Qty Part No. Mtl
140 Valve Insert (1) 93276 (Ck)
141 Valve Plate (1) 96173 (Ck)
np
144 “U” Cup Packing
(3/16” x 1” o.d.)
(2) Y187-48 [B]
p
166 “O” Ring
(1/16” x 1-1/4” o.d.)
(1) Y325-24 [B]
p
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]
p
171 “O” Ring
(1/16” x 13/16” o.d.)
(2) Y325-17 [B]
p
173 “O” Ring
(3/32” x 7/8” o.d.)
(2) Y325-115 [B]
np
174 “O” Ring
(3/32” x 11/32” o.d.)
(2) Y325-105 [B]
p
200 Porting Gasket (1) 96364 [B]
201 Mu er
(optional)
(1) 93110 [C]
q
232 “O” Ring
(1/16” x 3/8” o.d.) (optional)
(4) Y325-10 [B]
q
Ported Exhaust Kit
(includes items
129, 130 and 232) (optional)
(1) 637438 - - -
n
p
Lubriplate FML-2 grease (1) 94276
Lubriplate Grease Packets (10) 637308
p
Indicates parts included in 637428 air section service kit.