AIR COMPRESSOR - MIDLAND BRAKE MODELS EL-1300, EL-1600
NOTE -- Refer to ASSEMBLY, UNLOADER In this
section for reassembly procedures.
Figure 4 - Unloader Components
CYLINDER HEAD
1.
Remove six head bolts attaching the head to
cylinder block. Tap cylinder head with a soft
mallet to loosen head; then remove head
assembly. Discard head gasket.
NOTE - Refer to Figure 5 during the following
procedures:
2.
If the unloader has not already been removed,
position cylinder head on table and remove the
two unloader cover bolts (Item 3) and washers.
Remove unloader gasket (Item 1) and discard.
Remove unloader pins and springs (Items 4 and
6). Remove seals (Item 5) from unloader pins
and discard seals.
3.
Turn head over and remove exhaust valve seats
(Item 11) using a 14mm (9/16 in.) Allen wrench.
Remove exhaust valve (Item 10), washer (Item
12), and spring (Item 9). Discard washer.
CAUTION - THE EXHAUST VALVE STOPS ARE
PRESSED INTO THE CYLINDER HEAD. DO NOT AT-
TEMPT
TO
REMOVE
THEM.
IF
THEY
ARE
DAMAGED, LOOSE, WORN, OR IF THE DISTANCE
FROM THE EXHAUST VALVE STOP SURFACE TO
THE SPRING SEAT SURFACE EXCEEDS LIMITS IN-
DICATED IN THE SPECIFICATIONS PORTION OF
THIS SECTION, THE COMPLETE HEAD ASSEMBLY
MUST BE REPLACED.
Figure 5 - Cross Section of Cylinder Head
4.
Remove inlet valve cages (Item 14) with valve
cage tool SE-2613 as shown in Figure 6. Then
remove inlet valve springs (Item 15), inlet valves
(Item 13), inlet valve seats (Item 16), and
washers (Item 12). Discard washers.
Figure 6 - Removing Valve Cage Using Tool
SE-2613
PISTONS AND CONNECTING RODS
1.
Turn crankshaft so that one connecting rod is at
bottom of stroke. Remove connecting rod, bolts and
bearing cap (12-point 5/16 in. socket). Remove piston
and rod assembly from top of cylinder block.
CTS-4077Y - Page 7
