JLG Triple-L Operator Manual - Manual (Page 41)

SECTION 4 - SERVICE AND MAINTENANCE
3121224 – Triple-L-Trailer – 4-1
SECTION 4. SERVICE AND MAINTENANCE
4.1 INTRODUCTION
This section of the manual provides additional neces-
sary information to the operator for proper operation
and maintenance of the trailer.
Other Publications Available Specific to this
Machine:
Illustrated Parts Manual................................... 3121226
4.2 INSPECTIONS, SERVICE &
MAINTENANCE
NOTE: In addition to this manual, also check the relevant
component manufacturer's manual
You must inspect, maintain and service your trailer regu-
larly to insure safe and reliable operation. If you cannot or
are unsure how to perform the items listed here, have your
dealer do them.
NOTE: 1 = Retighten when new and at the first 10, 25 and 50 miles
2 = Adjust after first 200 miles, 3000 mile intervals or as use requires.
3 = 1000 miles or 1 month when used in hot and dry environment.
Table 4-1. Maintenance Schedule
DESCRIPTION INTERVAL
Item/Function Method Break-In
Every 3000
Miles or 3
Months
Every 6000
Miles or 6
Months
Every 12,000
Miles or 1 year
Wheel Lugs 1 Tighten to specified torque rating X X
Coupler Ball Check for unusual wear X
Safety Chains Check for unusual wear in links X
Brakes
2 Check general operation and proper adjustment X X
Brake Fluid
3 Check reservoir X
Breakaway Check cable and all components X
Suspension Check for worn components or broken springs X
Welds Check welds for cracks or separations X
Floor, hinges, door and
dividers
Wash both sides. Wash floor.
Inspect - repair or replace damaged, worn or broken
parts.
X
Tires
Rotate every 6000 miles
Refer to Section 4.11, Tire and Wheel Maintenance
X
Brakes, electric
Magnets
Controller (in tow vehicle)
Check wear and current draw
Check power output (amperage) and modulation
X
Roof vents, windows Clean dirt buildup, lubricate hinges and slides X
Brakes - All types Check for scoring and wearing X
Jack, drop leg Grease gears at top X
Frame members/ welds
Inspect all frames members, bolts and rivets. repair
or replace damaged worn or broken parts
Inspect all welds. repair as needed
X
Wheels - Sealed bearings
(hubs), Unsealed bear-
ings, Rims
Check and confirm free running. Replace if not.
(sealed bearings are not serviceable)
Disassemble/inspect/assemble and repack.
replace promptly, if immersed in water.
Inspect for cracks and dents. Replace as needed.
X
Axle attachment bolts Check by dealer X