Alamo MACHETE Product Service Manual page 26

CONTROL VALVE - HYDRAULIC
CONTROL VALVES: (See Figure 10)
The Alamo Machete Hydraulic Control Valve is an Electro-Hydraulic (Electric over Hydrau-
lic) Valve. The Valve is designed to utilize Oil from the Tractors Hydraulic System. This is basically
considered a Selector Valve. Since the Tractor System is the Source of Hydraulic Supply (Hydraulic
Pressure). The Hydraulic Control Valve must be compatible with the type Tractor System being
utilized. There are two types of Tractor Hydraulic System available to be used (Note: in some cases
even these two type systems can vary from Tractor to Tractor Model, and make connections
different. See original Mount Kit Instruction for Connecting Hydraulic Supply from Tractor to Valve).
Type 1. Load Sensing (Closed Center) Constant Pressure with Flow on demand.
Type 2. Fixed Displacement (Open Center) Continuos Flow with Pressure on demand
Valve Shown Below use 1998 & Up, it has 5 Plugs on Wire Harness that plug onto Valve. Old Style
Valve used 1997 & Down had 10 Plugs on wire Harness, 5 on each side of Valve. Also the late Model
has an added Filter Assembly (P/N 02976066) which was added to protect Valve from contamina-
tion from Tractor Hydraulic System. This is a Spin on type Filter.
Pressure Gauge
Port
5 Spool
Valve
(Handles
Shown as
Illistration
Only)
MACHETE (Service Manual) 04/04
© 2004 Alamo Group Inc.
Pressure Port
P
A
A
A
A
A
(This Valve Used 1998 & Up)
FIGURE 10
Tank Port
Inlet Section
T
B
B
B
B
B
26
Swing
Lift
Dipper
Tilt
Door