LUBRICATION AND MAINTENANCE GRT655/655L OPERATOR MANUAL
6-12 Published 3-23-2020, Control # 654-04
Drive Train (Continued)
5
Transmission,
Torque
Converter
Figure 6-1 E
29.3 L
(31 qt)
• Check level every 10
hours or daily.
• Drain, fill, and replace
filter after first 50 and
100 hours of service,
then every 1000 hours
or 6 months thereafter.
• Through fill pipe
to FULL mark on
dipstick.
• Refer to Item 7.
NOTE:
• Check transmission fluid level with engine running at 850 rpm idle and converter oil at 65°C to 93°C (150°F to 200°F). Do not
attempt an oil level check with cold oil. To bring oil temperature to this range, it is necessary to work the crane or stall the
converter. Converter stall should be accomplished by engaging shift lever in forward high range with brakes applied and then
accelerating engine to half or three-quarter throttle. Hold stall until required converter temperature is reached and stabilized.
NOTICE
Do not operate converter at stall condition for longer than 30 seconds at one time. Shift to neutral for 15 seconds and repeat
procedure until desired temperature is reached. Excessive temperature [120°C (250°F) maximum] will damage
transmission clutches, fluid, converter and seals.
• Drain oil at 65°C to 93°C (150°F to 200°F).
• Transmission filter is
located on the outside left hand frame in the area of the fuel tank.
• To add fluid:
a. Fill to FULL mark on dipstick.
b. Run engine at 850 rpm to prime torque converter and lines.
c. Check oil level with engine running at 850 rpm and converter oil at 65°C to 93°C (150°F to 200°F). Add oil to bring
oil level to FULL mark on dipstick.
6 Engine Oil Filter Figure 6-2 --- ---
Tier 4 engine, replace oil
filter every 500 hours.
Tier 3 engine, replace oil
filter every:
• 500 hours (0-500 ppm
sulfur fuel)
• 400 hours
(500-5000 ppm sulfur
fuel)
• 250 hours (>5000 ppm
sulfur fuel)
Refer to Item 3.
Item
Lube Point
Description
Figure
No.
Approved
Lubricant
Lube
Capacity
Lube Interval Application
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