Parker 221 Series, Owner'S Manual, Page: 32 / 56

Bulletin HY25-1135-M1/US
Installation Sketches
Parker Hannifin Corporation
Chelsea Products Division
Olive Branch, MS 38654 USA
28
Owner’s Manual
6 and 8-Bolt PTOs
GENERAL
IN CYL
EXH
CH
EL
SEA
F O
P.
T.
O.
IS
E
NG
AG
ED
W
HE
N
LI
GH
T
IS
O
N
O N
F
RE
AD
M
AN
U
AL
O
W
NE
RS
W
ARNING
:
Connect directly to air supply
. Do not use tubing betw
een air supply and pressure protection v
alv
e.
C
A
UTION
:
When installing n
ylon tubing a
void shar
p angles
, e
xhaust and manif
old systems
.
Im
POR
TANT
:
When this installation is used on v
ehicles with automatic tr
ansmissions the PT
O dr
iv
e gear m
ust be stopped bef
ore shifting.
N
O
TE
:
Tube n
ut is reusab
le as long as n
ylon tubing is not remo
ved from the tube n
ut.
379336 Switch Br
ac
ket
Note:
Connect plastic tubing to the
push connect (Air Shift Co
ver Ass’y).
(SK-238 Re
v K)
Installation Kits:
328388-47X - 12V
328388-48X - 24V
379306 F
or
k Connector
Shift Option P or Q
Elec/Air Shift
221/442/447/489/660/680 Series
378416
He
x.
Nipple
378414 Pressure
Protection V
alv
e
Opens at 70 PSI (4.1-4.8 Bar)
379042 Connector
379044-6
Plastic T
ubing
NO
TE:
Direction of Arro
ws
AIR
SUPPL
Y
379254-3
14
AWG Wire
Green with Butt Connector
379258 Br
ac
ket
379303-1 Solenoid 12V 379303-2 Solenoid 24V
2X 500457-6 Scre
w
2X
500357-7 W
asher
379106 Breather
379042 Connector
379044-6 Plastic T
ubing
379043 Elbo
w
379900 Fuse Holder Ass’y
W/ 10 AMP
Fuse
379257
Connector
Batter
y
To Air Shift Co
ver Assemb
ly
378881
Switch
Indicator Light
378978-12V 379005-24V
379253 Ring Connector
Connect to
Indicator Switch
on Air Shift
Co
ver Ass’y
379640 Booted Connector
379252 Butt Connector
3 MTG Slots