d.
Scrape, sand, prime, and repaint areas
where finish is missing or where there is evi-
dence of corrosion.
e.
Replace any missing or illegible decals. Re-
place any missing or damaged reflective tape.
f.
After disassembling any components, thor-
oughly clean dirt and old lubricant from all
parts. Do not use a wire brush on any bearing
parts or surfaces — use a stiff bristle brush.
Do not use compressed air, or spin bearing
parts when cleaning. These practices can
throw solvents, dirt, or metal particles into
your eyes. Dry clean parts with lint free,
clean, soft, absorbent, cloth or paper. Wash
and dry hands.
g.
Inspect seals, seal wiping surfaces, bearing
caps, and bearing cones for wear, pitting,
chipping, or other damage.
4-3 GOOSENECK, FRAME, AND DECK
4-3.1
Repairing Structural Defects
If any structural defect is found, the fault must
be corrected before further use of the vehicle. To
continue usage could endanger the trailer, its load,
personnel, traffic, and properties. If any cracks or
breaks are found, contact the Landoll factory for
repairs. Inspect the deck daily for broken or miss-
ing planks or missing attachments. Replace any
defective parts promptly.
4-4 HYDRAULIC SYSTEM
4-4.1
General
a.
Check the oil level of the tractor wet kit or
hydraulic engine power hydraulic tank weekly,
or after any leakage. See
Table 4-1
for proper
hydraulic oil. Check the hydraulic oil level with
hydraulic cylinders in the retracted position
and the hydraulic pump disengaged.
b.
Overfilling can cause hydraulic fluid overflow
during operation.
c.
Dock leveler flow bypass regulator must
provide 2.2 to 2.8 gallon per minute to dock
leveler valve.
d.
Hydraulic system pressure relief valves
should be set at 2500 psi.
WARNING
IF MORE OIL THAN SPECIFIED IS
SENT TO DOCK LEVELER VALVE,
DAMAGE TO DOCK LEVELERS AND
PERSONAL INJURY CAN OCCUR. IT
LESS OIL THAN SPECIFIED IS SENT
TO DOCK LEVELER, THEY WILL NOT
OPERATE OR OPERATION WILL BE
ERRATIC.
4-6
Summary of Contents for 317B
Page 3: ...MODELS 317B 318 319 TRAILER OPERATOR S MANUAL PURCHASED FROM DATE ADDRESS PHONE NO SERIAL NO...
Page 8: ......
Page 14: ...3 2 Figure 3 1 Front Trailer Terminology Figure 3 2 Rear Trailer Terminology...
Page 18: ...3 6 Figure 3 4 Hydraulic Controls...
Page 24: ...3 12 Figure 3 5 Steps for Loading and Unloading...
Page 30: ...3 18 Figure 3 10 Dock Leveler Operation...
Page 34: ...3 22 Figure 3 12 Front Extension Bulkhead...
Page 36: ...3 24 Figure 3 13 Rear Impact Guard and Antilock Brake System...
Page 40: ...4 2 Figure 4 1 Lubrication Points...
Page 45: ...4 7 Figure 4 2 317B 318 319 Wiring Diagram...
Page 46: ...4 8 Figure 4 3 Remote Wiring Diagram...
Page 52: ...4 14 Figure 4 6 Checking Axle Alignment CURBSIDE DRIVER SIDE Figure 4 7 Examples of Camber...
Page 56: ...4 18 Figure 4 10 Axle and Brake Assembly...
Page 62: ...4 24 Figure 4 13 Inboard Mount Hub and Drum Figure 4 14 Three Spoke Wheel and Drum...
Page 66: ...4 28 Figure 4 18 Mounting Tires and Wheels Figure 4 19 Stud Tightening Sequence...
Page 69: ...4 31 Figure 4 20 Dock Leveler Leg Assembly...
Page 80: ...5 10 NOTES...
