MAINTENANCE AND LUBRICATION GRT8120 OPERATOR MANUAL
6-16 Published 3-22-2021, Control # 702-02
Item
Lube Point
Description
Figure No.
Approved
Lubricant
Approximate
Capacity
Service Interval
Service
Application
Drive Train (Continued)
6
Transmission and
Torque Converter
Filter
Figure 6-3 — —
PERFORM after first
50 hours of service
REPLACE filter
See NOTE 14.
REPEAT after
another 50 hours of
service for a total of
100 hours of service
REPLACE filter
See NOTE 14.
REPEAT every
500 hours of service
or 3 months
thereafter, whichever
interval comes first
REPLACE filter
See NOTE 14.
6
A
Transmission and
Torque Converter
Dipstick Location
Figure 6-3 E 41.6 L (11 gal)
As necessary, in
DRAIN and FILL
routines
FILL transmission
sump to FULL on
DIPSTICK
See NOTE 15.
See NOTE 16.
7
Engine Cooling
System – Coolant
Strainer for Cab
Heater
Figure 6-3 — —
PERFORM after first
100 hours of service
CLEAN strainer
Then, every
2000 hours of service
or 1 year thereafter
REPLACE strainer
8
A Driveline – Slip Figure 6-3 A Brush on
Every 500 hours of
service, or 3 months,
whichever interval
comes first
BRUSH ON grease
to coat the driveline
slip surface
8
B Driveline – Slip Figure 6-3 A Brush on
Every 500 hours of
service, or 3 months,
whichever interval
comes first
BRUSH ON grease
to coat the driveline
slip surface
9
Fuel/Water
Separator
Figure 6-3 — — Every 10 hours/daily DRAIN water trap
10
DEF Supply
Module Filter
(Tier4)
Figure 6-4 — —
Every 4500 hours or
3 years, whichever
interval comes first
CHECK DEF
Supply Module filter
11 DEF Tank (Tier 4) Figure 6-4 K
37.9 L
(10 gal)
Every 10 hours/daily
CHECK DEF Tank
Level and FILL
See NOTE 17.
12 DEF Tank Filter Figure 6-4 — —
Every 2000 hours or
1 year, whichever
interval comes first
CHECK DEF
Tank filter
NOTE 16: The Transmission Fluid FILL and DIPSTICK is located on the right side of the carrier, behind the steps, adjacent
to the hydraulic tank for ease in servicing the transmission and torque converter.
NOTE 17: The Diesel Exhaust Fluid (DEF) Level Indicator in the Crane Vitals Area of the Operator Display Module (ODM)
comes on YELLOW when the DEF tank is 4%–10% FULL, and RED when the tank is <5% FULL.
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