Landoll 345D User manual

F-482-0510 05/2010
LANDOLL CORPORATION
1900 North Street
Marysville, Kansas 66508
[phone]
800-428-5655 ~ WWW.LANDOLL.COM
Model 345D
Trailer
Operator’s Manual

F-482-0510 Edition i
Table of Contents
1 Introduction
Understanding Safety Statements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
2 Standard Specifications
3 Operating Instructions
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Air Brake System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Anti-Lock Brake System (ABS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Pre-Coupling of Trailer and Truck . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Coupling of the Towing Vehicle to the Trailer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Connecting Towing Vehicle Services to the Trailer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Towing Vehicle and Trailer Hook-Up and Check-Out . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
Towing the Trailer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
Parking the Trailer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Uncoupling Towing Vehicle from Trailer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Winch Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
Axle Control Lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
Trailer Tilt Lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
Loading the Trailer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8
Unloading the Trailer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9
Auxiliary Hydraulic Power Engine Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12
Dock Leveler Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13
Rear Impact Guard System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15
Anti-Lock Brake System (ABS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15
Remote Control (Option) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16
Cold Weather Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17
Hot Weather Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17
4 Maintenance and Lubrication
Maintenance Schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

ii F-482-0510 Edition
Maintenance Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Standard Torque Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Hitch, Frame, and Deck . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
Repairing Structural Defects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
Hydraulic System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
Electrical System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
Suspension Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9
Spring Suspension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9
Air Ride Suspension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-9
Air Ride Height Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9
Alignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-10
Wheel Alignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-10
Axle Alignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-12
Manual Alignment Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-12
Air Ride Suspension Axles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-12
Spring Suspension Axles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-13
Brake System Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-13
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-13
Spring Air Brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-14
Replacing the Spring Air Brake Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-14
Caging the Power Spring in the Spring Chamber . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-14
Uncaging the Power Spring in the Spring Chamber . . . . . . . . . . . . . . . . . . . . . . . . . 4-14
Removal of Brake Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-14
Installation of Brake Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-14
Tandem Relay Valve Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-15
Brake Assembly Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-15
Brake Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-15
Disassembly for Brakes (See Figure 4-10) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-15
Reassembly for Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-15
Automatic Slack Adjusters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-17
Operational Check (See Figure 4-11) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-17
Replacing Slack Adjuster (See Figure 4-11) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-18
Adjusting Slack Adjuster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-18
Hub and Drum Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-19
Wheel Bearing Lubrication and Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-21
Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-21
Tire Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-22
Tire Inflation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-22
Tire Matching . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-22
Tape Measuring Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-22
Straight Edge or String Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-22
Mounting Tire and Wheel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-23
Winches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-24
5 Troubleshooting
Electrical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1

F-482-0510 Edition iii
Tires-Wheels-Suspension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
Brake Drums . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5
Hydraulic System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5
Dock Level Hydraulics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
Hydraulic Power Supply Engine Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7

iv F-482-0510 Edition

1-1
Chapter 1
Introduction
The Landoll Model 345D trailer is a quality product designed to give years of trouble free performance. By following
each section of this manual, your system will perform as designed for you and your operation
CHAPTER 1 gives basic instructions on the use of this manual.
CHAPTER 2 gives specifications for the trailer, including measurements and component
specifications. A Standard Bolt Torque Table is provided to give guidelines for bolt
torques to be used when servicing this product.
CHAPTER 3 gives instructions for the proper operation of your Model 345D trailer.
CHAPTER 4 gives general maintenance procedures, a maintenance schedule, and a lubrication
schedule.
NOTE: IF THE EQUIPMENT IS IMPROPERLY ASSEMBLED OR MAINTAINED, THE
WARRANTY IS VOID. IF YOU HAVE ANY QUESTIONS CONTACT:
LANDOLL CORPORATION
1900 NORTH STREET
MARYSVILLE, KANSAS 66508
or phone:
[phone] or
[phone]
or FAX:
[phone]
CHAPTER 5 is a troubleshooting guide to aid in diagnosing and solving problems with the equipment.
PARTS MANUAL is a separate manual showing the various assemblies, subassemblies, and systems.
Refer to that manual when ordering Landoll replacement parts. Order parts from your
Landoll dealer.
WARRANTY The Warranty Registration form is included with the product documents. Fill it out and
mail it within 15 days of purchase. The Warranty is printed inside the front cover.
NOTE: IMPROPER ASSEMBLY, MODIFICATION, OR MAINTENANCE OF YOUR
LANDOLL MACHINE CAN VOID YOUR WARRANTY.
COMMENTS Address comments or questions regarding this publication to:
LANDOLL CORPORATION
1900 NORTH STREET
MARYSVILLE, KANSAS 66508
ATTENTION: PUBLICATIONS -DEPT. 55

1-2 F-482-0510 Edition
INTRODUCTION
Understanding Safety
Statements
You will find various types of safety information on the
following pages and on the machine signs (decals)
attached to the vehicle. This section explains their
meaning.
The Safety Alert Symbol means ATTENTION! YOUR
SAFETY IS INVOLVED!

DANGER

WARNING

CAUTION
NOTE
Means that failure to follow these instructions could
cause damage to the equipment or cause it to operate
improperly.
NOTE
Make sure you read and understand the information
contained in this manual and on the machine signs
(decals) before you attempt to operate or maintain this
vehicle.
The safety statements contained in this manual relate to
the operation of the Model 345D Trailer.
Danger means a life-threatening situation exists.
Death can occur if safety measures or
instructions on this label are not properly
followed.
Warning means serious injury or death can occur
if safety measures or instructions on this label
are not properly followed.
Caution means serious equipment or other
property damage can occur if instructions on this
label are not properly followed.

2-1
Chapter 2
Standard Specifications
CAPACITY* 40,000 LB. DISTRIBUTED,
30,000 LB. CONCENTRATED IN 10’
OVERALL LENGTH (WITH 48" HITCH): 35’-2"
OVERALL WIDTH: 96" OR 102"
WEIGHT (102"WIDE, SPRING SUSPENSION, 7’ HITCH,
WOOD DECK, 12M WINCH): 12,000 LBS.
HITCH: PINTLE HOOK W/ HYDRAULIC TILT
LENGTH 48", 60" OR 84"
HYDRAULIC TRAVELING AXLE: 10’-6"
GROUND LOAD ANGLE: 9o
DOCK LEVELER CAPACITY (OPTION): 62,000 LB.
HYDRAULIC HOOKUP:
QUICK COUPLERS 3/4"
MAXIMUM OPERATING PRESSURE 2500 PSI
OPERATING FLOW 17 GPM
ELECTRICAL HOOKUP: 7-WAY CONNECTOR
AIR HOOK UP: GLAD HANDS
SPECIFIC BOLT TORQUES
AIR RIDE SUSPENSION:
EQUALIZER BEAM PIVOT AND ADAPTER BOLTS
DESIGNATED W/ NEWAY ON BOLT HEAD 800 FT.-LBS.
EQUALIZER BEAM PIVOT AND ADAPTER BOLTS
DESIGNATED W/ HOLLAND NEWAY ON BOLT HEAD 550 FT.-LBS.
SHOCK ABSORBER MOUNTING 150 FT.-LBS.
AIR SPRING MOUNTING: 1/2” 35 FT.-LBS.
AIR SPRING MOUNTING: 3/4” 35 FT.-LBS.
FOUR SPRING SUSPENSION:
AXLE CLAMP U-BOLTS 300 FT.-LBS.
EQUALIZER BEAM PIVOT BOLT 480-500 FT.-LBS.
TORQUE ARM BOLT 250 FT.-LBS.
TORQUE ARM CLAMP NUTS 60 FT.-LBS.
WHEEL FASTENERS - ALL MODELS:
OUTER SPINDLE NUTS 250-400 FT.-LBS.
PILOT WHEEL NUTS 450-500 FT.-LBS.
* CAPACITY RATINGS ARE FRAME CAPACITIES ONLY. ACTUAL LOAD CAPACITIES MAY BE RESTRICTED BY
FACTORS SUCH AS GROSS AXLE WEIGHT RATINGS (GAWR) OR STATE AND FEDERAL REGULATIONS.

2-2 F-482-0510 Edition
STANDARD SPECIFICATIONS
Table 2-1: General Torque Specifications
LANDOLL CORPORATION
GENERAL TORQUE SPECIFICATIONS (REV. 4/97)
THIS CHART PROVIDES TIGHTENING TORQUES FOR GENERAL PURPOSE APPLICATIONS WHEN SPECIAL TORQUES ARE NOT SPECIFIED ON PROCESS
OR DRAWING.
ASSEMBLY TORQUES APPLY TO PLATED NUTS AND CAPSCREWS ASSEMBLED WITHOUT SUPPLEMENTAL LUBRICATION (AS RECEIVED CONDITION).
THEY DO NOT APPLY IF SPECIAL GRAPHITE MOLY-DISULFIDE OR OTHER EXTREME PRESSURE LUBRICANTS ARE USED.
WHEN FASTENERS ARE DRY (SOLVENT CLEANED), ADD 33% TO AS RECEIVED CONDITION TORQUE.
BOLT HEAD IDENTIFICATION MARKS INDICATE GRADE AND MAY VARY FROM MANUFACTURER TO MANUFACTURER.
THICK NUTS MUST BE USED ON GRADE 8 CAPSCREWS.
USE VALUE IN [ ] IF USING PREVAILING TORQUE NUTS.
TORQUE IS SPECIFIED IN FOOT POUNDS
UNC
Size SAE Grade 2SAE Grade 5SAE Grade 8UNF Size SAE Grade 2 SAE Grade 5SAE Grade 8
1/4-20 4 [5] 6 [7] 9 [11] 1/4-28 5 [6] 7 [9] 10 [12]
5/16-18 8 [10] 13 [16] 18 [22] 5/16-24 9 [11] 14 [17] 20 [25]
3/8-16 15 [19] 23 [29] 35 [43] 3/8-24 17 [21] 25 [31] 35 [44]
7/16-14 24 [30] 35 [43] 55 [62] 7/16-20 27 [34] 40 [50] 60 [75]
1/2-13 35 [43] 55 [62] 80 [100] 1/2-20 40 [50] 65 [81] 90 [112]
9/16-12 55 [62] 80 [100] 110 [137] 9/16-18 60 [75] 90 [112] 130 [162]
5/8-11 75 [94] 110 [137] 170 [212] 5/8-18 85 [106] 130 [162] 180 [225]
3/4-10 130 [162] 200 [250] 280 [350] 3/4-16 150 [188] 220 [275] 320 [400]
7/8-9 125 [156] 320 [400] 460 [575] 7/8-14 140 [175] 360 [450] 500 [625]
1-8 190 [237] 408 [506] 680 [850] 1-14 210 [263] 540 [675] 760 [950]
1-1/8-7 270 [337] 600 [750] 960 [1200] 1-1/8-12 300 [375] 660 [825] 1080 [1350]
1-1/4-7 380 [475] 840 [1050] 1426 [1782] 1-1/4-12 420 [525] 920 [1150] 1500 [1875]
1-3/8-6 490 [612] 110 [1375] 1780 [2225] 1-3/8-12 560 [700] 1260 [1575] 2010 [2512]
1/1-2-6 650 [812] 1460 [1825] 2360 [2950] 1/1-2-12 730 [912] 1640 [2050] 2660 [3325]
METRIC
COARSE THREAD METRIC CLASS 10.9 FASTENERS AND CLASS 10.0 NUTS AND THROUGH HARDENED FLAT WASHERS, PHOSPHATE COATED, ROCKWELL
“C” 38-45.
USE VALUE IN [ ] IF USING PREVAILING TORQUE NUTS.
Nominal
Thread
Diameter
mm
Standard Torque Nominal
Thread
Diameter
mm
Standard Torque
Newton-
Meters Foot- Pounds Newton- Meters Foot- Pounds
6 10 [14] 7 [10] 20 385 [450] 290 [335]
7 16 [22] 12 [16] 24 670 [775] 500 [625]
8 23 [32] 17 [24] 27 980 [1105] 730 [825]
10 46 [60] 34 [47] 30 1330 [1470] 990 [1090]
12 80 [101] 60 [75] 33 1790 [1950] 1340 [1450]
14 125 [155] 90 [115] 36 2325 [2515] 1730 [1870]
16 200 [240] 150 [180] 39 3010 [3210] 2240 [2380]
18 275 [330] 205 [245]