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COMPONENTS AND

REPAIR MANUAL

For Machine Serial No.

  12HB - - - - 500

And Higher

MODEL McL-12HB ZIPPER

EARTH BORING MACHINE

PART NO. HD00000

Machine Serial #___________________________

Purchased &
Serviced Thru:

_________________________________________________________________________

Purchase Date:  ___________________________

TABLE OF CONTENTS

Specs & Maintenance........................................................................................Section  1

Operation & Safety Manual / Hazard Alert Decal Placement...............................Section  2

Carriage Assembly.............................................................................................Section  3

Dog Plate Assembly...........................................................................................Section  4

Master Track Assembly.....................................................................................Section  5

Hoses & Fittings................................................................................................Section  6

Hydraulic Controls and Components..................................................................Section  7

Repair Instructions.............................................................................................Section  8

Warranty Statement & Return Goods Policy.......................................................Section  8

© 1990 by McLaughlin Group, Inc., reprinted 2000

All rights reserved.  No part of this manual may be reproduced in any form or by any
means without prior permission of McLaughlin Group, Inc.

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E250079

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E250079

E250079

E250079

Revision Date: 04.03

Summary of Contents for McL-12HB ZIPPER

Page 1: ...tion 2 Carriage Assembly Section 3 Dog Plate Assembly Section 4 Master Track Assembly Section 5 Hoses Fittings Section 6 Hydraulic Controls and Components Section 7 Repair Instructions Section 8 Warra...

Page 2: ...cL 12HB initially then check each week when in continuous use Each bolt should have lock washer Tighten as needed Check four 4 bolts that mount hydraulic motor to the McL 12HB carriage initially then...

Page 3: ...t the front of the dog plate Tighten each of these set screws until the dog plate is held in place with no movement Tighten the nuts to lock the set screws Remove all tools and personnel from the area...

Page 4: ...OPERATION SAFETY MANUAL McL 12HB ZIPPER Operation and Safety Manual E250076 2 1 0 Call 1 800 435 9340 for a replacement Operation and Safety Manual Free of Charge...

Page 5: ...McL 12HB ZIPPER J000200 J000100 J000080 J000210 J000020 J800030 J000160 DECAL SAFETY KIT PART NUMBER E250600 2 2 0 HAZARD ALERT DECAL PLACEMENT...

Page 6: ...CARRIAGE ASSEMBLY McL 12HB ZIPPER 3 1 0...

Page 7: ...2 U X 6 1 8 3 t e S w e r c S 0 5 9 1 4 2 2 0 8 0 8 h t o o T 5 4 t e k c o r p S 0 6 0 1 1 2 2 2 0 8 0 8 0 6 n i a h C e v i r D M E T I Y T Q R E B M U N N O I T P I R C S E D 1 1 1 3 2 2 0 8 0 8 h...

Page 8: ...DOG PLATE ASSEMBLY McL 12HB ZIPPER 4 1 0...

Page 9: ...0 0 U 0 5 3 X 3 1 0 0 5 p a C x e H w e r c S 8 2 0 8 8 0 0 0 U 0 0 2 X 3 1 0 0 5 p a C x e H w e r c S 9 2 0 2 1 0 0 1 U 3 1 0 0 5 x e H t u N 0 1 1 0 2 8 0 0 0 U 5 2 1 X 3 1 0 0 5 p a C x e H w e r...

Page 10: ...MASTER TRACK ASSEMBLY McL 12HB ZIPPER 5 1 0...

Page 11: ...t S t i K r e t p a d A 0 1 8 0 0 4 1 D H l e e t S t i K r e t p a d A 8 6 0 0 4 1 D H l e e t S t i K r e t p a d A 6 5 0 0 4 1 D H l e e t S t i K r e t p a d A 5 4 0 0 4 1 D H l e e t S t i K r e...

Page 12: ...HOSES FITTINGS McL 12HB ZIPPER 6 1 0...

Page 13: ...c s i D k c i u Q 9 1 1 1 0 0 2 1 4 T P F 2 1 e l a m e F c s i D k c i u Q 0 2 2 2 0 0 2 1 4 T c s i D k c i u Q p a C s e s o H 0 3 2 0 5 1 0 0 H T r o t o M l o o p S n o i t a t o R e v l a V 1 3...

Page 14: ...CONTROL VALVE OPERATION McL 12HB ZIPPER 7 0 0 Rotation Lever Thrust Lever Thrust Gauge...

Page 15: ...I Y T Q R E B M U N N O I T P I R C S E D 1 1 y r o t c a F t l u s n o C 2 2 5 8 0 0 4 8 T n i P s i v e l C 3 2 0 8 1 0 0 7 R n i P p i l C R 1 1 4 1 1 0 0 1 6 0 3 D H t i K l a e S 2 1 1 y r o t c...

Page 16: ...HYDRAULIC VALVE COMPONENTS McL 12HB ZIPPER 7 2 0 For Seal Kit and Relief Valve please consult factory...

Page 17: ...HANDLE KIT HYDRAULIC VALVE McL 12HB ZIPPER 7 3 0 Hydraulic Valve Part No HD30590 Handle Kit Part No 2400359 Includes Handle and Linkage 2 required...

Page 18: ...ER McL 12H ZIPPER SEAL KIT HYDRAULIC MOTOR 7 4 0 M E T I Y T Q R E B M U N N O I T P I R C S E D 1 1 1 8 0 0 0 2 T t f a h S t i K l a e S 2 1 2 8 0 0 0 2 T r o t o M r a e R t i K l a e S SEAL KIT HY...

Page 19: ...CHECK THE POWER SOURCE FOR THE FOLLOWING A Proper pressure and flow rate B Correct fluid level and filtration 2 SHUT DOWN THE POWER SOURCE RELIEVE SYSTEM PRESSURE AND DISCONNECT MACHINE FROM THE POWER...

Page 20: ...ly replacing the chain go to Step 2 Item 19 to begin reassembly 12 Remove both sprockets 13 Clean and inspect all parts for dirt cracks wear or damage Replace parts as needed 14 TO BEGIN REASSEMBLY Sl...

Page 21: ...soft steel or aluminum tubing 2 o d x 8 10 Slide this tube into the drive shaft housing tube until it makes contact with the bearing Gently push the bearing until it touches the oil seal Lightly tap...

Page 22: ...any spillage 4 Loosen the four 4 bolts and lockwashers that hold the hydraulic motor Fig 2 in place 5 While supporting the motor with one hand remove the bolts and set motor aside Photo 10 6 Inspect a...

Page 23: ...HE FITTING 18 Screw in fitting and tighten Fitting should point toward opposite end of the cylinder 19 Slide rod end of the cylinder into the hole of the machine frame with the ports pointed up 20 Sli...

Page 24: ...y tighten each of the square head bolts against the cylinder pins 37 Tighten the nuts Fig 3 9 to secure the square head bolts 38 Start the power source and test machine function Readjust as necessary...

Page 25: ...andable parts making minor adjustments and performing oper ating checks all in accordance with procedures outlined in Manufacturer s maintenance literature THE FOREGOING WARRANTY IS IN LIEU OFALL OTHE...

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