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TM1520B LARGE VALVE PARTS

57-L 

TM-25C 

THERMOSTAT GROUP 

TM-16

TM-29/29A

POINTER SCREW

W/WASHER

DIAL PLATE

FLANGE PACKING

COVER

SCREWS

SNAP CAP

POINTER

30

FRICTION
SPRING

STOP

ASSY

PORT SLEEVE NUT 

POINTER ROD 

TM-28A

COIL SLEEVE

STUD

TM-8

H

C

O'RING (2) 

MU-5A

THERMOSTATIC

LEONARD

TGM-2/125 

TM-3/125 

TM21/125 

TM-16A/125

TGM-1/125

PORT SLEEVE ASSY

TM-15B/125 

COVER

TM-25D

CHECKSTOP PARTS

LOCK-TYPE POINTER

REMEMBER!

THIS IS A CONTROL DEVICE WHICH MUST BE

CLEANED AND MAINTAINED ON A REGULAR BASIS. SEE
MAINTENANCE GUIDE AND RECORD MGR-1001.

NOTE:

AFTER

INSTALLING

NEW

PARTS

IT

WILL

BE

NECESSARY

TO

RESET

THE

ADJUSTABLE

HIGH

TEMPERATURE LIMIT STOP ON EACH VALVE (SEE PAGE 8).

REPAIR KITS

10

04/125

SPRING

LOWER STEM & PACKING

SWIVEL

SWIVEL NUT

010

TM-02 

BONNET

STRAINER CAP

06

014

CAP PACKING

013

MU-5A

SCREEN

1529

UPPER STEM

03

05

BONNET PACKING

YELLOW

O'RING

09/125 

TM21/125

TM21/125 

**=2 EA.

03**

LOWER STEM

& PACKING

COIL SLEEVE

TM-8

STUD

03

& PACKING

LOWER STEM

2 EA:

014**

CAP PACKING

CAP PACKING

SPRING

1529

014

O'RING (2)

MU-5A

 O'RING

MU-5A 

NUT ASSY.

PORT SLEEVE

013

SCREEN

TM-28A

POINTER ROD

05

BONNET PKG.

FLANGE PKG

1529

MU-5A

O'RING (4)

013**

SCREEN

05**

BONNET PKG.

REPAIR KIT 1/125Y PACKINGS & GASKETS

REPAIR KIT R/125 TM-1520A REBUILDING KIT

REPAIR KIT 2/50Y CHECKSTOP KIT

FLANGE PKG

PORT SLEEVE ASSY

YELLOW

SPRING

YELLOW

**

TGM-2/125 

TGM-1/125 

THERMOSTAT GROUP 

TM-3/125

POINTER SET SCREW

TM-36

Summary of Contents for TM-1520B-2P

Page 1: ...mblies installed on a recirculated hot water system MUST be piped according to LEONARD S REQUIRED PIPING METHOD 5 see page 4 6 Refer to page 3 of this bulletin for correct Setup Instructions Maximum O...

Page 2: ...less than shown see Flow Capacities page 12 If installed on a recirculated hot water system make certain the valve is piped according to Leonard s Required Piping Methods see page 4 REMEMBER THIS IS...

Page 3: ...maximum temperature has now been set Test this temperature by holding a thermometer under the flow of water to be certain it is as desired LIMIT STOP MUST BE RESET AND RECHECKED EACH TIME HANDLE IS R...

Page 4: ...all valve V2R and shut ball valve V2L at the mixing valve 9 Set outlet temperature of the mixing valve LVR to the same temperature as step 7 10 Turn off enough fixtures for a flow of at least 2 GPM 7...

Page 5: ...RATURE WITH VALVE 1 IN THE FULL OPEN POSITION OPEN BALANCE VALVE 2 IN SMALL INCREMENTS i e 1 8 3 8 ETC UNTIL DESIRED TEMPERATURE IS ACHIEVED REMEMBER THIS IS A CONTROL DEVICE WHICH MUST BE CLEANED AND...

Page 6: ...on corrosive cleaning solution DO NOT USE ABRASIVES Be certain thimble moves freely on port sleeve Note Driving ball on thimble must engage coil bracket in assembling 6 To disassemble bridge assembly...

Page 7: ...OINTER ROD KIT 2 200Y CHECKSTOP KIT KIT 1 200Y PACKINGS GASKETS THERMOSTAT TGM 2 125 GROUP SCREEN 4724 TM 8 STEM O RING 4 LOWER STEM PACKING COIL SLEEVE 4733 2 EA STUD SPRING YELLOW 4742 TGM 1 200 POR...

Page 8: ...DE AND RECORD NOTE AFTER INSTALLING NEW PARTS IT WILL BE NECESSARY TO RESET THE ADJUSTABLE HIGH TEMPERATURE LIMIT STOP ON EACH VALVE SEE PAGE 2 CHECKSTOP PARTS REPAIR KITS MU 4A RF MU 5A UPPER CHECKST...

Page 9: ...rod nut MU 10B and pull bridge assembly off control rod 5 To clean submerge bridge assembly in clean water or non corrosive cleaning solution DO NOT USE ABRASIVES Be certain thimble moves freely on po...

Page 10: ...RY TO RESET THE ADJUSTABLE HIGH TEMPERATURE LIMIT STOP ON EACH VALVE SEE PAGE 8 REPAIR KITS 10 04 125 SPRING LOWER STEM PACKING SWIVEL SWIVEL NUT 010 TM 02 BONNET STRAINER CAP 06 014 CAP PACKING 013 M...

Page 11: ...BASIS SEE MAINTENANCE GUIDE AND RECORD NOTE AFTER INSTALLING NEW PARTS IT WILL BE NECESSARY TO RESET THE ADJUSTABLE HIGH TEMPERATURE LIMIT STOP ON EACH VALVE SEE PAGE 2 11 CHECKSTOP PARTS REPAIR KITS...

Page 12: ...TY Leonard Valve Company hereinafter Leonard warrants the original purchaser that products manufactured by Leonard will be free from defects in material or workmanship under normal conditions of use w...

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