User's Manual

TROUBLESHOOTING GUIDE FOR HIGH PRESSURE CONTROL VALVES
Greases leaks out of the coupler ATD5258 when handle is not
depressed.
Clean ball 66255ME and Seat 11364ME; If seat is pitted on one
side, reverse it.
No Grease is pumped out of the coupler ATD5258 when handle
is depressed
Clean ball 66255ME and Seat 11364ME; If seat is pitted on one
side, reverse it.
Grease Leaks out of the top Replace packing 35007ME
MAINTENANCE :
If lubricant continues to flow from the ATD5258 Coupler after the handle is released, the ball is not sealing against
the check seat. Remove and examine the check seat and the ball by unthreading the coupling nut. If the ball is not
perfectly smooth, replace it. The check seat has a ball seat on both sides. If the ball seat being used is rough, worn
or pitted, invert the check seat and reassemble the control valve. If both sides of the check seat are damaged
replace the check seat and ball or use the 82157ME Repair Kit. After assembly, the adjustment nuts at the top of
the control valve should be adjusted as in Figure ''A". To prevent damage to the check seat, do not adjust for less
than 1/32" pull rod travel.
OPERATION OF THE CONTROL VALVE:
All 4 High Pressure control valves were designed to control the flow of lubricant from high pressure air operated
pumps. Only a small pull of the trigger on the control valve handle is required to obtain sensitive flow control.
When the 45788ME Handle is in its normal position the 55029ME Spring acts thru the 11363ME Ball Retainer to seat
the 66255ME Ball against the 11364ME Check Seat, preventing lubricant flow thru the control valve. When the
handle is depressed, the 11362ME Rod and ball retainer move up, compressing the spring, allowing lubricant
pressure to unseat the ball and flow thru the control valve. The ball retainer limits the travel of the ball. Thus, the
lubricant flow rate is determined b
y
the distance the handle is de
p
ressed.
FIGURE “A” ADJUSTING
CONTROL VALVE:
1/32” MIN MOVE
1/16” MAX MOVE
ROD MAY PROTRUDE
5/32” MAX
REPAIR PARTS
QTY PART # DESCRIPTION
1 5834
HYDRAULIC COUPLER W/
EXTENSION
1 ATD5258 HYDRAULIC COUPLER
1 10181 NOZZLE ADAPTER
1 11356 CONTROL VALVE BODY
1 11362
PULL ROD
*
1 11363 BALL RETAINER
1 11364
CHECK SEAT
*
1
11396 3/8" NPTF COUPLING NUT
1 11837 TOGGLE PIVOT SCREW
1 12826 PACKING GLAND
1 12828 PIVOT BAR
1
12869 1/4" NPTF COUPLING NUT
1 35007
VALVE STEM PACKING
*
1 45788 HANDLE
1 45820 TOGGLE LINK
1 48218
PACKING WASHER
*
3 51043 LOCKNUT
1 55029 FRICTION SPRING
1 62028 NOZZLE EXTENSION
1 66177 TOGGLE PIN
1 66255
STEEL BALL
*
1 66011 STEEL BALL
* Included in Repair Kit 82157ME