Operating Instructions & Parts Manual
Please read and save these instructions. Read carefully before attempting to assemble, install, operate or maintain the product described.
Protect yourself and others by observing all safety information. Failure to comply with instructions could result in personal injury and/or
property damage! Retain instructions for future reference.
Speedaire
Compressor Pump Parts Kits
Description
Repair parts kits are for use with Speedaire 5, 7-1/2, 10 and 15 HP two-stage air
compressors. Valve and o-ring rebuild kits include head and cylinder o-rings, valve
plate assembly and o-rings. Overhaul kits include everything in the valve and o-ring
rebuild kits plus a complete set of piston rings.
Unpacking
When unpacking kit, carefully inspect
for any damage that may have occurred
during transit. Verify all parts are on
hand before beginning repair.
General Safety Information
Disconnect power. Release
all pressure from the system
before attempting to install,
service, relocate or perform any
maintenance.
1. Read all manuals included
with this kit carefully
before beginning repairs.
2. Keep guards in good
condition and in place at all times.
3. Follow all local electrical and safety
codes, the United States National
Electric Code (NEC) and the Occupa-
tional Safety and Health Act (OSHA).
4. Electric motors should be
securely and adequately
grounded.
Specifications
(*Duplex unit - Two Kits Req'd.)
Valve & O-ring Kit
Overhaul Kit
Model Number
Model Number
2NYC1
2NYC3
2NYC1
2NYC3
2NYC2
2NYC4
2NYC2
2NYC4
Form 5S5977
Two-Stage Air
®
5. Do not kink power cable or allow
the cable to come in contact with
oil, grease, chemical or sharp
objects.
6. Do not exceed the pressure limits for
any component in the system.
7. Check air hoses for weak or worn
condition before each use.
8. Inspect to make sure that all fittings,
bolts, etc., are tight and secure.
settings on control components.
Pressure switch and pilot valve settings
are preset at the factory for normal
MANUAL
operating conditions. Altering the
settings will result in compressor and
motor damage.
Procedures
VALVE AND O-RING REPAIR KIT
1. Remove air filter.
2. Disconnect discharge tube at the
tank. Disconnect tube fittings from
side of pump head by removing the
three screws from each tube fitting.
3. Remove head bolts and belt guard
For Air Compressor Model Numbers
5F229 (A) thru 5F232 (A), 5F235 (A)(B)(C)(D), 5F564, 5F565, 5Z397A (B)
thru 5Z400A (B), 5Z403B, 5Z404A (B)(C)(D), 5Z637 (A), 5Z638, 5Z687*(A),
5Z688*(A)
5F563, 5F566 (A)(B), 5Z639 (A), 9Z720 (A), 3JR80
5F233 (A), 5F236A (B)(C)(D), 5F567, 5Z401A (B), 5Z402A (B), 5Z405A (B)(C)
(D), 5Z640 (A), 5Z689* (A)
4B248 (A)(B) thru 4B250
Printed in U.S.A.
02433
Version 1
2NYC1, 2NYC2, 2NYC3 and 2NYC4
bracket (if present).
4. Remove head and valve plate
assembly from cylinder.
5. Clean old o-ring material from head
and top of cylinder block.
6. Install new valve plate assembly and
o-rings.
7. Reinstall head bolts and washers
to torque value specified in torque
chart.
8. Reinstall discharge tube at the tank
and tube fittings using new o-rings
supplied in kit.
9. Reinstall air filter.
10. Change oil.
Do not attempt
to change the
OVERHAUL KIT
1. Follow steps 1-5 from valve and
o-ring repair kit.
2. Remove cylinder/crankcase bolt and
washers.
3. Pull cylinder block off the crankcase
to expose pistons.
4. Clean old o-ring material from
cylinder and crankcase.
5. Remove oil piston rings.
6. Install new piston rings as shown in
Figure 1. NOTE: Ends of expander
ring must be butted together, DO
NOT overlap.
IN251801AV 2/15
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HP
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5
7.5
10
15