McLaughlin MCL 36C Operating instructions

COMPONENTS ANDCOMPONENTS AND
COMPONENTS ANDCOMPONENTS AND
COMPONENTS AND
REPREP
REPREP
REPAIR MANUALAIR MANUAL
AIR MANUALAIR MANUAL
AIR MANUAL
MODEL MCL 36/42C
EARTH BORING MACHINE
PART NO. 3620000
MACHINE SERIAL NO.:
362XX 100 & LATER
MANUAL PART NO.: E250155
2006 Perimeter Rd. Greenville, SC 29605
Toll Free: 800-435-9340 - Phone: [phone]
Fax: [phone] - www.mightymole.com
email: [email protected]
Machine Serial #_________________________________________________________
Purchased &
Serviced Thru: __________________________________________________________
Purchase Date: _________________________________________________________
© 2005 by McLaughlin Group, Inc. All rights reserved. No part of this manual
may be reproduced in any form or by any means without prior written permission from the
McLaughlin Group, Inc.. Revision Date: 01.05

WARNING: Battery posts, terminals and releated accessories contain lead and lead
compounds, chemicals known to the State of California to cause cancer and birth
defects or other reproductive harm. Wash hands after handling.
WARNING: The engine exhaust from this product contains chemicals
known to the State of California to cause cancer and birth defects or other
reproductive harm.

DESCRIPTION PAGE
Machine Specifications and System Operating Specifications 1.1.0
Fill Points, Filters and Routine Maintenance 2.1.0
Decal Placement 2.2.0
Machine Assemblies, Parts Details 3.0
Carriage Assembly 3.1.0
Roll Bar Assembly 3.2.0
Powertrain Assembly 3.3.0
Dog Plate Assembly 3.4.0
Casing Pusher Assembly & Adapters 3.5.0
Master Track Assembly 3.6.0
Engine Exhaust System 3.7.0
Hydraulic Tank Assembly 3.8.0
Hydraulic Cylinder 3.9.0
Hydraulic Pump Seal Kit 3.10.0
Hydraulic Pump Coupling 3.11.0
Replacement Disk Kit 3.12.0
Clutch Seal Kit 3.13.0
Clutch Bearing Kit 3.14.0
Machine Operating Systems 4.0
Hydraulic System and Components 4.1.0
Electrical System (Wiring Diagram) 4.2.0
Machine Parts and Repair 5.0
Engine (Operation and Parts) 5.1.0-5.1.38
Transmission (Parts) 5.2.0
Gearbox (Parts) 5.3.0
Hydraulic Pump Coupling 5.4.0
Clutch 5.5.0
Hydraulic Thrust Cylinder 5.6.0
Hydraulic Dog Plate Cylinder 5.7.0
Hydraulic Valve (Parts) 5.8.0
McL 36/42C
McLaughlin Boring Systems reserves the right to make changes at any time without notice or obligation.
TABLE OF CONTENTS

MACHINE SPECIFICATIONS
McL 36/42C
SPECIFICASPECIFICA
SPECIFICASPECIFICA
SPECIFICATIONS OF MCL 42 HDTIONS OF MCL 42 HD
TIONS OF MCL 42 HDTIONS OF MCL 42 HD
TIONS OF MCL 42 HD
EARTH BORING MACHINEEARTH BORING MACHINE
EARTH BORING MACHINEEARTH BORING MACHINE
EARTH BORING MACHINE
Boring Range: ENGLISH METRIC
Cased Bore 12”-36” 304 mm-914.4 mm
(0ptional
Engine: 75 HP (ISO Max) Turbo Charged Air Cooled Diesel Engine
Transmission: 4 forward speeds, 1 reverse
Clutch: Hydraulic clutch with Operator Presence Control
Final Drive: Planetary reduction, 3” hex chuck (76 mm)
Auger Torque:
43,493 ft/lbs. peak(58,968.6 Nm) in 1st gear
21,265 ft/lbs. peak (28,831.5 Nm) in 2nd gear
11,631 ft/lbs. peak (15,769 Nm) in 3rd gear
6,882 ft/lbs. peak (9,330.7 Nm) in 4th gear
51,202 ft/lbs. peak (69,420.6 Nm) in Reverse
Forward Thrust: 400,000 lbs. (1,779.3 kN) max @ 3,500 psi (241.3 bar)
Dog Plate: Hydraulically activated
Hydraulic Filtration: 1. Suction strainer - 100 mesh
2. In-take return filter - 12 micron replaceable element
3. 10 micron spin-on return filter
Fuel Tank: 10 gallon (47.8L) capacity with sight gauge
Dimensions/Weights
Machine: 62” (1574.8 mm) wide x 117.25” (2,978.15 mm)) long x 54.75” (1390.65 mm) high
Carriage with 42” Pusher 7,300lbs. ( 3311 kg)
Carriage with 36” Pusher 7,200 lbs (3,263.9 kg)
9’ (2734mm)Track: 60” (1524 mm)wide x 12” (304.8 mm) high - 1,100 lbs.(499 kg)
5’ (1524 mm)Track Extension: 600 lbs. (272 kg)
Bore Centerline: 26.25” (666.7 mm)
1.1.1
McLaughlin Company reserves the right to make changes at any time without notice or obligation.

SYSTEM OPERATION SPECIFICATIONS
McL 36/42C
Engine
1. Speed Idle: 1050-1150 Max.: 2400-2500
2. Oil SAE 5W-30 or refer to manual section 5.0
3. Fuel Commercially available diesel fuel with less than
0.5% sulphur content. Refer to manual section 5.0.
4. Fuel Tank Capacity ~ 15 Gallons (56 l.)
Gearbox 80-90 wt. gear oil with EP additives
Capacity ~ 4.68 qts (4.44 l)
Transmission Synthetic 50 wt. transmission fluid
Capacity 6.2 qts (5.9 l)
Hydraulic System
1 Hydraulic Pump Pressure Compensated w/ Load Sense
Compensator Setting: ~ 5000 psi
Stand-by Setting: ~ 250-300 psi
2. Hydraulic Control Valve Electric-proportional w/ Manual operation
Main Thrust Sysem Relief Valve Setting: ~ 5100 + psi
3. Hydraulic Control Valve Dog Plate Spool Relief Valve
Secondary System Setting: ~ 500 psi
4. Hydraulic Fluid: 76 Unax AW #46 or equivalent
ISO grade 46, hydraulic fluid with anti-wear additives. Contains
additives that provide oxidation resistance, rust and corrosion
protection, foaming resistance and have water separating
characteristics. Consult McLaughlin Manufacturing Co. for
recommendations on cold weather operation.
5. Hydraulic Tank Capacity ~ 60 Gallons (225 l.)
Electrical System
1. Battery 12V DC w/ 700 CCA Max.
2. Hydraulic Control Valve 12V DC w/ Electric Solenoid
Main Thrust System
3. Preheat System 12 V DC w/ manual delay
4. Fuses 12V DC, Inline and panel, SFE and ATO styles
5. Cartridge Valves 12V DC at 1-3 Amps
*Specifications subject to change without notice or obligation.
1.1.2

FILTERS AND FILL POINTS
McL 36/42C
1. Engine Oil Fill - Use only manufacturer’s
approved oils (Reference section 5.1 Engine
Operation).
3. Oil Filter - Use only manufacturer approved
engine filter. Reference section 5.1 Engine
Operations for specifications and maintenance.
2. Dip Stick - Check daily with engine warm.
Fill as needed to the upper dash mark on the stick.
4. Fuel Filter - Use only manufacturer’s approved
replacement filters. (Reference section 5.1 Engine
Operation for maintenence schedule).
5. Fuel Level - Fill as needed with branded
grades of diesel fuel with a sulfur content below
0.5% (Reference section 5.0 Engine Operation for
approved fuel specifications).
2.1.1
1
2
3, 4
5

FILTERS AND FILL POINTS
McL 36/42C
7. Hydraulic Oil Filter - Replace all filters
with every engine oil change or if required by filter
indicator, whichever comes first. Clean or replace
in-tank suction strainer annually when oil is
changed.
9. Transmission Oil Fill - Fill to check
point with #50 synthetic transmission fluid.
Change after first 50 hours of use, then every
1000 hours or annually. Drain.
8. Gearbox Oil Fill - Fill to check point.
Change after first 50 hours of use, then every
1000 hours or annually.
6. Hydraulic Oil Level - Fill to 1 1/2” below top
of tank (with cylinders retracted). Change oil after
first 1000 hours of use, then annually.
2.1.2
6
7
8
9
10. Engine Air Cleaner - Check air cleaner
element condition using the filter indicator.
Clean or replace element when indicator is in the
“red zone.” Clean or replace when required
by the filter indicator or annually, which ever
comes first. Reference pages 5.1.25 & 5.1.26 of
the Engine Operation section for more information.

DECAL PLACEMENT
McL 36/42C
2.2.1
DECAL APPLICATION:
REMOVE OIL AND DIRT FROM SURFACE.
MAKE SURE SURFACE IS SMOOTH.
J000100 - DANGER ENTANGLEMENT HAZARD
J800030 - INSTRUCTION OPERATOR’S MANUAL
J000080 - WARNING DO NOT GO FORWARD
J000020 - WARNING AVOID DEATH
J000210 - WARNING LOCATE UTILITIES

DECAL PLACEMENT
McL 36/42C
2.2.2
J000080 - WARNING DO NOT GO FORWARD
J000200 - DANGER MACHINE PARTS
J000120 - DANGER ROTATING BLADES
J000160 - WARNING PINCH POINT 2 REQUIRED
J802000 - WARNING ROTATING SHAFT

CARRIAGE ASSEMBLY
McL 36/42C
3.1.1