May 2022
20
©2022-2023 Trinity Trailer Mfg., Inc
.
general rule with the rear and side doors, as with the entire truck bed, “if it moves,
lubricate it.” Use an NLGI Grade 2 general-purpose grease on all shafts and grease
zerks.
The seals on most doors should have silicone grease or spray-on lubricant applied to them
once every three months. This will help them last longer and will help them provide a
better seal. During cold, damp weather or under heavy use, apply the grease more
frequently.
DOOR OPERATIONS
!
WARNING
!
WARNING
Opening the Fold-Down Spud Door (Figure 12)
a)
Release the two latches at the sides of the fold-down door by raising the lever and
sliding the latch towards the center of the door.
b)
Untie the draw rope.
c)
Gently lower the door using the draw rope to keep it from falling rapidly.
Figure 12- Rear Upper Door Diagram
Figure 13- Lower Door Switch
Do not get behind a loaded truck bed with the
door(s) open. The truck bed’s contents could
spill on you causing serious injury or death.
Door can crush and cut. Keep away from door
while operating to prevent bodily injury.