LGMG T20J, Maintenance Manual

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Maintenance Manual of Elevating Work Platform
5
1.5 Inspecting the Drive Hub
Oil Level
1) Inspect the oil level of the drive hubs every
250 h or quarterly. Improper oil level will
result in reduced performance. Continuous
use will result in damage to components.
2) Inspect oil level
Figure 1-3 Traveling slowdown
1. Oil filler 2. Viewing port

Drive the machine until one plug is located
at the horizontal position as shown as
shown in Figure 1-3.

Remove the viewing port plug at the
horizontal position, and inspect oil level.

Result: Oil level shall be flush with the
bottom of the viewing port.

If necessary, add oil at the oil filler until the
oil level is flush with the bottom of the
viewing port, select gear oil by referring to
Machine Specifications section.

Coat the plugs with pipe thread sealant and
install the plugs.

Repeat this step for every drive hub.
Figure 1-4 Swing Gearbox
1. Oil filler 2. Viewing port
3) Inspect oil level of swing gearbox

Remove the plug on the side and inspect
the oil level, as shown in Figure 1-4.
Result: Oil level shall be flush with viewing port
(2).

If necessary, add gear oil at the oil filler plug
until the oil level is flush with the bottom of
the viewing port, select gear oil by referring
to the Machine Specifications section.

Coat the plugs with pipe thread sealant and
install the plugs.
4) Replace lubricant after the first 50h of use,
then every 1,000 h or yearly.
1.6 Inspecting the Hydraulic
Oil And Filter
1) Inspect hydraulic oil level every 8 h or every
day.
△
!
Caution: Perform this step when
the boom is in the retracted position.

Park the vehicle on the flat site. Fully retract
the boom.
Figure 1-5 Oil Level Sight Gauge

Examine the oil level on the hydraulic oil
tank, i.e., level shall fall within the M range
shown as Figure 1-5, and in the case of
level lower than L, it is necessary to add
hydraulic oil.
2) Inspect hydraulic oil leakage every 8 h or