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Meggitt Fuelling Products

Maintenance Manual (MMF251)

Hydrant Coupler – F251 Series

USE OR DISCLOSURE OF DATA ON THIS PAGE IS SUBJECT TO THE RESTRICTIONS ON THE TITLE PAGE OF THIS DOCUMENT

28 Feb 2014

Revision 4.0

3

Figure 1.

Hydrant Coupler

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Summary of Contents for F251 Series

Page 1: ...c If consent is given this notice shall appear in any such reproduction These commodities technology or software were exported from the United States in accordance with the export administration regul...

Page 2: ...ECORD Keep this record in the front of the manual When you get the revisions put the revised pages in the manual Write the revision number date issued and your initials on this page REV NO PAGES AFFEC...

Page 3: ...SAFETY INSTRUCTIONS A INTRODUCTION 1 DESCRIPTION AND OPERATION 2 FAULT ISOLATION 5 DISASSEMBLY 6 CLEANING 10 INSPECTION 12 ASSEMBLY 13 ILLUSTRATED PARTS LIST 17 LIST OF ILLUSTRATIONS FIGURE PAGE Figu...

Page 4: ...The coupler is a mechanical device and can be dangerous if not correctly operated or maintained Safety Alert Symbols Safety alert symbols are used in this manual to identify potential or immediate per...

Page 5: ...esign of the piping system must provide adequate pressure to prevent exceeding the limits of the coupler Make sure the coupler orientation is correct and install the coupler in line with the flanges M...

Page 6: ...r The instructions provide information necessary to perform maintenance functions The Coupler is manufactured by Meggitt North Hollywood Inc 12838 Saticoy Street North Hollywood California 91605 2 Sco...

Page 7: ...he shroud The shroud slides downward and holds the locking lugs in their locked position If product selection is installed the shroud will need to be rotated to align the product selection screws with...

Page 8: ...roducts Maintenance Manual MMF251 Hydrant Coupler F251 Series USE OR DISCLOSURE OF DATA ON THIS PAGE IS SUBJECT TO THE RESTRICTIONS ON THE TITLE PAGE OF THIS DOCUMENT 28 Feb 2014 Revision 4 0 3 Figure...

Page 9: ...Coupler for CCMZ7300M2 CCMZ7309M2 Pressure Control Elbow 16 6 pounds 9 7 kg Mod B with 90 Elbow F597A 4 inch NPT Swivel 24 4 pounds 9 7 kg Mod C with 90 Elbow F597B 4 inch BSPPL Swivel 25 2 pounds 10...

Page 10: ...and if necessary replace the bearing ring seal and or O ring Leakage from elbow flange Damaged or worn O ring 13 Check condition and if necessary replace the O ring Leakage past handle shaft Damaged...

Page 11: ...rom its groove on the outlet adapter attached to the Swivel body 2 Remove safety rings 2 from its groove on locking ring 5 3 Loosen screws 3 just enough to allow the locking ring 5 to slide back to sa...

Page 12: ...r a small Allen wrench between the back of the lug and the shroud 3 to prevent the lug from catching in the groove Repeat this step for all lugs to release shroud 3 from body 37 Do step 4 after using...

Page 13: ...2 and shroud 3 from body 37 20 Remove felt wiper 4 from shroud 3 21 Remove springs 8 and latching lugs 7 in body 37 as follows Note Long nose pliers may be used to pull the spring loop during the remo...

Page 14: ...n 6 b Mod A p n 430220 Red Shear Pin The red shear pin 6 groove dimensions shall measure 0 02565 0 0005 in at 2 places If measurement is out of tolerance discard red shear pin 6 24 Check condition of...

Page 15: ...ry Cleaning P D 680 Type 2 Commercially available Tissues Lint free Commercially available 2 Cleaning Procedures DRY CLEANING SOLVENT IS A HARZARDOUS MATERIAL BEFORE USE READ AND OBEY THE MATERIAL SAF...

Page 16: ...S PAGE IS SUBJECT TO THE RESTRICTIONS ON THE TITLE PAGE OF THIS DOCUMENT 28 Feb 2014 Revision 4 0 11 WEAR EYE PROTECTION WHEN USING COMPRESSED AIR DO NOT DIRECT AIRSTREAM AT PERSONNEL OR LIGHT METAL P...

Page 17: ...le 4 B Repair minor damage in accordance with local directives If damage is major or beyond simple repair replace the part 2 Component Checks Refer to Table 4 Table 4 Component Checks DESCRIPTION CHEC...

Page 18: ...listed Table 5 Recommended Assembly Materials DESCRIPTION SPECIFICATION SOURCE Petroleum Jelly Commercially available Thread Locker Loctite 262 Commercially available 3 Assemble the Hydrant Coupler A...

Page 19: ...the spring loop during installation of a spring in the body but be careful to avoid damaging the spring The wire shall not be marked or scratched b Push the loop of spring 8 into the hole in body 37...

Page 20: ...oriented with the hole for pin 26 farthest away from the flat of handle 17 11 Drive pin 18 into the pin bore of body 37 to secure shaft assembly 12 Install wave washer spring 11 and sleeve assembly 12...

Page 21: ...11 and nut 12 Torque screws to 212 lb in 2 Install ring bearing 6 on to elbow 14 3 Apply petroleum jelly to ball bearing 8 and install ball bearing 8 into swivel body 9 4 Slide locking ring 5 onto swi...

Page 22: ...list is arranged in the general order of disassembly The listing is indentured to show the relationship between each part and its next higher assembly Item numbers used in the parts list are keyed to...

Page 23: ...ts Maintenance Manual MMF251 Hydrant Coupler F251 Series USE OR DISCLOSURE OF DATA ON THIS PAGE IS SUBJECT TO THE RESTRICTIONS ON THE TITLE PAGE OF THIS DOCUMENT 28 Feb 2014 Revision 4 0 18 IPL Figure...

Page 24: ...ED 6 6 430141 GOLD SHEAR PIN B K M R 6 430220 RED SHEAR PIN A 6 7 430148 LUG LATCHING 6 8 430432 RETAINER SPRING 6 9 430142 1 POPPET MACHINED 1 10 NAS1352N3 8 SCREW CAP SO CKET HEAD 4 11 W4997 050 WAS...

Page 25: ...14 101 PIN 1 26 MS20392 4C33 PIN 1 27 901011 102 CRANK 1 28 MS24665 300 PIN COTTER 1 29 AN960C516L WASHER 1 30 MS20392 4C33 PIN 1 31 2763497 103 LINK 2 32 430147 HINGE 1 33 2661058A032 O RING PREFORME...

Page 26: ...ts Maintenance Manual MMF251 Hydrant Coupler F251 Series USE OR DISCLOSURE OF DATA ON THIS PAGE IS SUBJECT TO THE RESTRICTIONS ON THE TITLE PAGE OF THIS DOCUMENT 28 Feb 2014 Revision 4 0 21 IPL Figure...

Page 27: ...37 101 RING BEARING B K M 2 7 Q4248 366Y RING QUAD B K M 1 8 MS19060 4818 BALL BEARING B K 24 2706786 26 BALL BEARING M 24 9 2861015 101 BODY SWIVEL NPT 4 inch B 1 2861015 102 BODY SWIVEL BSPPL 4 inch...

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