Constant Speed Head Unloader Kit - Champion R10D Operation & Maintenance Manual

NOTE: This is optional equipment and may not be included on your unit.
The purpose of constant speed unloading is to provide a means of stopping or starting the compression of air by the
compressor without stopping or starting the electric motor or gasoline engine after each cycle.
The parts called out below replace or are substituted for those found in the regular parts list.
TYPICAL MANIFOLD ASSEMBLY
CONSTANT SPEED HEAD UNLOADER
For Air Compressor Models R10D and R15B
Low Pressure
REF. NO.
High Pressure
REF. NO.
C414-A
(Ref. Drawing)
Low & High Pressure
REF.NO.
C421-A
(Ref. Drawing)
Repair Parts List for Constant Speed
DESCRIPTION
- LP Intake Manifold Group (includes 1,2,3,4)
1 LP Intake Manifold
2 Cylinder
3 Unloader Piston
4 O-Ring
5 LP Valve Assembly
(includes 6,7,8,9)
6 Unloader Finger
7 Unloader Spring
8 Locknut
9 Guide Stem
DESCRIPTION
- HP Intake Manifold Goup
(Includes items 1,2,3,4,10)
1 HP Intake Manifold
2
Cylinder
3 Unloader Piston
4
O-Ring
5 HP Valve Assembly
(includes 6,7,8,9 & 11)
6 Unloader Finger
7 Unloader Spring
8
Locknut
9 Guide System
10
Cylinder Gasket
11 Valve Gasket (not included)
DESCRIPTION
12 Compression Fitting
13 Manifold Tube
14 Compression Fitting
15 Actuating Tube
16 Pilot Valve
17 Compression Fitting
18 Screw, Hex Head Cap
19 Mounting bracket
20 Compression Fitting
-- Needle Valve (Dual Control) Not Shown
--

Constant Speed Head Unloader Kit

(Includes all of the above)
31
Head Unloader
PART NO.
Z6312
P09670C
P02306B
P09923A
P02547A
Z4877
P09085A
P09084A
P09086A
P09083A
PART NO.
Z9143
P12304B
P02306B
P09923A
P02547A
Z11938
P14119A
P01882A
P09086A
P09296A
P00746A
P09171A
PART NO.
M2879
Z9172
M2868
P12323A
M2853
M2881
M3465
M807
M2868
M547
Z9144
QTY.
1
1
1
1
1
1
1
1
1
1
QTY.
1
1
1
1
1
1
1
1
1
1
1
1
QTY.
1
1
1
1
1
1
1
1
1
1
1