May 2022
19
©2022-2023 Trinity Trailer Mfg., Inc
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Figure 11- Torque value and pattern for pulleys.
!
WARNING
PLANETARY GEARBOX
When using the planetary gearbox under normal temperature ranges between 0-120 °F,
the gearbox is to be half full of SAE 80/90 oil. Use the lower of the two plugs to check
the level of the oil on 48" belt truck beds and on 25" and 31" belt truck beds use the 1/8"
plug. Oil is to be changed after the first 50 hours of operation with subsequent changes
every 1000 hours or yearly, whichever comes first.
LUBRICATION OF THE DOOR(S)
Door hinges and bearings must be lubricated regularly, especially if the truck bed has
been operated or stored for an extended period of time in a humid or wet environment.
Corrosion can lead to the failure of door hinges if they are not maintained properly. As a
Attempting to lubricate the bearings while the shaft is
rotating can result in serious bodily injury or death.
Stay clear of the bearings while they are rotating.
Completely disable the hydraulic system before doing
any maintenance on the bearings.
NOTE
There is absolutely no warranty, expressed or implied, on the conveyor
or drive system if the system is not maintained properly, is misused or is
overloaded. This includes, but is not limited to the hauling of corrosive
materials such as fertilizer, sludge, brewer’s mash or corn gluten.