OWNER / OPERATOR MANUAL
LeakProof III
7
DOC06436 Rev B
!!NOTE!! Make sure trailer doors are open BEFORE
starting the floor or serious damage may occur.
Operation of Your LEAKPROOF III Drive
LEAKPROOF III DRIVE
OPERATION OF YOUR KEITH
®
LEAKPROOFIII DRIVE
UNLOADING
1.To unload with your KEITH LEAKPROOF III Drive, engage the P.T.O. then bring the tractor
engine up to the predetermined unloading RPM.
2.Pull the control valve handle all the way out. (See Diagram A.)
3.Make sure that the ball valve, located between the pressure and return lines, is in the closed
position. (See Diagram B.) This ball valve is used for the emergency shut-off. Your trailer
floor
should
now
be
operating.
4.To
stop
the
floor
at
any
time
during
the
loading
or
unloading
process,
switch
the
ball
valve
to
the open position. (See Diagram B.)
LOADING
1.To manually load with your bi-directional KEITH LEAKPROOF III Drive, simply turn
the control valve handle parallel to the ground and push it under the valve body.
(See Diagram A.) Then follow instructions 1,3 and 4 listed above.
!!NOTE!!
Make sure the trailer door is open BEFORE
starting the floor or the trailer door will be damaged.
Diagram A: Control Valve
(Manual Version)
Diagram B: Ball Valve
(View in
Closed Position.
Push handle
to the
curb side to open.
)
[View is from beneath the trailer.]
Diagram A: Control Valve
(Manual Version)
Diagram B: Ball Valve
(View in
Closed Position.
Push
handle to the
curb side to open.
)
[View is from beneath the trailer.]
Speed of Floor in Relation to Engine RPM
LEAKPROOF III DRIVE
SPEED OF FLOOR IN RELATION TO ENGINE RPM
With a Fuller 13 or 15 speed transmission, a bottom mount 118% series 442/489 Chelsea power take
off, and a Commercial p-51 pump with a 2 1/2” gear, the tractor unload RPM in relation to
floor
move
-
ment is as follows*.
TRUCK RPM
950 RPM
1270 RPM
1430 RPM
1750 RPM
1900 RPM
PUMP OUTPUT
30 gallon
40 gallon
45 gallon
55 gallon
60 gallon
FLOOR MOVEMENT
7.3 ft/minute
9.8 ft/minute
11.1 ft/minute
13.3 ft/minute
14.6 ft/minute
*Above
specifications
are for KEITH
®
LEAKPROOF III Drive units with 80mm bore cylinders. These
are approximate feet per minute only and should be used strictly as a guide.
1” Female Quick Coupler
2404-16-16
Straight
10643-16 Crimp
Hose Fitting
1” Pressure Hose
2603-16-16-16
Tee
10643-12 Crimp
Hose Fitting
2404-12-12
Straight
2406-12-16
Straight
10643-16 Crimp
Hose Fitting
1” Pressure Hose
6400-16-16
Straight
P.T.O.
Pump
W43-32-32 Flange
Elbow Street 2”
3/4” Pressure
Relief Hose
King Nipple 2”
2” Suction
Hose
5406-12 Socket Pipe Plug
Relief Valve
1” Rubber Shock Mount
Slight Gauge
Filler Screen Assy.
Baffle
Truck Frame
2404-20-20
Straight
2404-20-24
Straight
10643-20 Crimp
Hose Fitting
1 1/4” Filter to Tank
Return Hose
Filter Heads
10643-16 Crimp
Hose Fitting
2404-16-16
Straight
1’ Male Quick Coupler
1” Trailer to Filter
Return to Hose
Filter Elements
10643-12 Crimp
Hose Fitting
2404-12-12
Straight
