Assembling The Control To The Valve - Autotrol Magnum Cv 942 Installation And Service Manual

2.1 Assembling the Control to the
Magnum Valve
The control and the Magnum valve work together as an
integral system to ensure synchronization. Follow the
steps outlined below to install the control on the
Magnum valve.
Remove Cam Cover
Remove the cam cover by pressing in on the cover
release tabs (Figure 2.2). Note the cover locking tab
and the slot in the top plate. When you reassemble the
cover, the locking tab is placed in the slot first and the
cover lowered into position.
Locking Tab and Slot
Cover Release Tabs
Figure 2.2
Align Camshaft
The camshaft is keyed and should only be engaged or
disengaged when in the position illustrated (Figure 2.3).
If the camshaft is not in the proper position, rotate the
cam assembly counterclockwise until the camshaft
arrow aligns with pillow block arrow.
Camshaft Arrow
Figure 2.3
Slide Camshaft
Slide the camshaft toward the back of the valve by
pressing on the release tab and pulling on the back end
of the camshaft (Figure 2.4). The front end of the
camshaft will be flush with the mounting plate.
Mount Control
Mount the control onto the valve by sliding the
mounting tabs over the mounting plate. Note that all
models of Magnum controls mount to the valve in the
same manner (Figure 2.5).
Pillow Block Arrow
Engage Assembly
Engage the control by pressing on the release tab and
pushing the camshaft into the control (Figure 2.6). Do
not force the camshaft. If the camshaft does not slide
freely into the control, check the alignment of the
camshaft to ensure it is in the proper position
(Figure 2.3). The control indicator must be in the
REGENERATION COMPLETE position for the 942,
942Man, 952, and 962 when engaging the camshaft
into the control. The control indicator must be in the
BACKWASH COMPLETE position for the 942F,
942FMan 952F, and 962F when engaging the camshaft
3
Figure 2.4
Mounting Tabs
Mounting Plate
Figure 2.5
Release Tabs