12501 Telecom Drive, Tampa Florida 33637
9/0.5.0
Rev.2
Formerly D-10236
INSTALLATION, OPERATING,
AND MAINTENANCE INSTRUCTIONS
PARTS LIST
LESLIE CLASS K-MAX
ROTARY CONTROL VALVES
1" - 8"
ANSI CLASS 150 - 600
DIN 16 - 40
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . .ii
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ii
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . .A1
MOUNTING POSITION . . . . . . . . . . . . . . . .A1
CLEANING . . . . . . . . . . . . . . . . . . . . . . . . .A1
FLANGED VALVE INFORMATION . . . . . . . .A1
FLANGELESS VALVE INFORMATION . . . . .A1
GASKETS . . . . . . . . . . . . . . . . . . . . . . . . . .A1
BOLTS . . . . . . . . . . . . . . . . . . . . . . . . . . . .A1
SUPPLY AIR CONNECTIONS . . . . . . . . . . .A1
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A1
SYSTEM FLUSH . . . . . . . . . . . . . . . . . . . . .A1
START-UP . . . . . . . . . . . . . . . . . . . . . . . . .A1
PACKING . . . . . . . . . . . . . . . . . . . . . . . . . .A1
MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . .A3
LUBRICATION . . . . . . . . . . . . . . . . . . . . . .A3
ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . .A3
PACKING REPLACEMENT . . . . . . . . . . . . .A3
VALVE DISASSEMBLY . . . . . . . . . . . . . .A5-A6
VALVE REASSEMBLY . . . . . . . . . . . . . .A6-A7
SEAT RING LAPPING . . . . . . . . . . . . . . . . .A7
VALVE REMOVAL FROM PIPELINE . . . . . .A7
ACTUATOR REMOVAL FROM VALVE . . . . .A7
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . .A8-A9
CODE SELECTION CHART . . . . . . . . . . . . . . . . .A10
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . .A11-A12
ILLUSTRATION INDEX
Figure 1 - Actuator Mounting Positions . . . . . . . . . .A2
Figure 2 - K-Max Parts Identification . . . . . . . . . . .A4
Figure 3 - Packing Component Stackup . . . . . . . . .A5
Table A - K-Max Seat Retainer Torques . . . . . . . . .A6
Figure 4A & 4B - Dimensions & Parts List . . . . . . .A11
Figure 5 - Valve Seat Retainer Wrench . . . . . . . . .A13
DIAPHRAGM ACTUATORS
ON K-MAX CONTROL VALVES
MODELS 40, 55 AND 85
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . .B14
AIR SUPPLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . .B14
LUBRICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . .B14
OPEN AND CLOSED
POSITION STOP ADJUSTMENTS . . . . . .B14
SPRING-TO-CLOSE ACTUATORS
CLOSED STOP ADJUSTMENT . . . . . . . . .B14
OPEN STOP ADJUSTMENT . . . . . . . . . . .B15
SPRING-TO-OPEN ACTUATORS
CLOSED STOP ADJUSTMENT . . . . . . . . .B15
OPEN STOP ADJUSTMENT . . . . . . . . . . .B15
SIZE 40 ACTUATOR
REMOVAL . . . . . . . . . . . . . . . . . . . . . . . .B15
INSTALLATION . . . . . . . . . . . . . . . . . . . . .B16
SIZE 55 AND 85 ACTUATORS
REMOVAL . . . . . . . . . . . . . . . . . . . . . . . .B16
INSTALLATION . . . . . . . . . . . . . . . . . . . . .B16
SPRING ASSEMBLY REPLACEMENT . . . . . . . . .B17
DIAPHRAGM REPLACEMENT . . . . . . . . . . . . . . .B18
REVERSING THE ACTION . . . . . . . . . . . . . . . . . .B18
CHANGING MOUNTING POSITIONS . . . . . . . . . .B19
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .B21
ILLUSTRATION INDEX
Figure 1- Vibration Support & Disassembly Studs .B14
Figure 2A- Size 40 Actuator Cutaway . . . . . . . . . . .B15
Figure 2B- Size 55/85 Actuators-Reverse Action .B15
Figure 3- Size 40 Actuator/Spring-To-Close Mode B16
Figure 4- Coupling Clamp Screws . . . . . . . . . . . .B17
Figure 5- Actuator Mounting Positions . . . . . . . . .B17
Figure 6- Link Arm Position . . . . . . . . . . . . . . . . .B19
Figure 7- Stub Shaft Position . . . . . . . . . . . . . . . .B19
Figure 8- Parts Identification for 55 & 85 Actuator .B20
Figure 9- Exploded Drawing of 55 & 85 . . . . . . . .B21
Figure 11- DR 40 Actuator Assembly . . . . . . . . . .B22
TABLE OF CONTENTS
