User guide

Section V - Hydraulics & Hy-Powers • Page 11
DELCO Hy-Power Units Identification
PART NUMBER 18001810X
SECOND DESIGN FEATURES:
Hollow Hole - The Push Rod comes out.
Casting Number - 2623435
Rod Length - 7”
Flow Switch, One Prong with Brass Nut
PART NUMBER: 501830C91
Second Design Pictured (MOST POPULAR)
HOLLOW ROD
The 18001810 has two designs.
Both have the same body and
the same
casting number of 2623435.
PUSH ROD AND FLOW SWITCH ARE INCLUDED WITH ALL 18001810X UNITS.
FIREWALL
SIDE
18001810X First Design
• OLDER MODEL WITH STAKED ROD (NON-RE
MOVABLE). THE ENTIRE UNIT MUST BE
REMOVED, THEN EASILY UPGRADED TO SECOND
DESIGN.
• THIS UNIT IS LIKE THE 18003998X, SAME BODY,
CASTING NUMBER. AND BOTH PUSH RODS ARE
THREADED AND STAKED.
DIFFERENCE IS FOUND IN THE PUSH ROD
LENGTH. 18001810X IS 7” AND 18003998X IS
5 1/2” AND JOINTED.
• IMPORTANT - FIRST DESIGN 18001810
MAY BE UPGRADED TO SECOND
DESIGN.
INVERTED FLARE
INLET PORT
MASTER
CYLINDER
SIDE
PEDAL ROD ADJUSTMENT MAY BE NECESSARY WHEN INSTALLING THE 18001810X.
FLOW
SWITCH
PORT
SECTION V-2 ... DELCO HY-POWERS
THESE PARTS
ARE INCLUDED
WITH THE
PURCHASE OF
AN 18001810X
Pressure Relief
Valve
Tapered Spring
O-Rings
Check
Valve
O-Ring
Seal
Rod & Boot
Booster
Tapered Spring and Check Valve must
be properly Installed Before bolting
Pump and Motor Assembly to New
Unit.
Solid end of Valve fits into small end
of Spring and Assembly slides into
hole. The opposite end of valve MUST
seat proper in the smaller hole inside
of the spring port. If needed, locate
this smaller hole with a flashlight.
Solid
End
Small
End