JLG 4017RS Service Manual - Manual (Page 113)

6-5 3614RS, 4017RS
Transmission
6.4.3 After Transmission Service or
Replacement
In general:
1. Disconnect and clean all transmission hoses. When
possible, remove transmission lines from machine for
cleaning.
2. Properly clean transmission oil cooler.
3. Install a new hydraulic filter.
4. Check transfer case oil level and add oil as required.
• Transfer Case: Remove transfer case fill plug (7) and
verify oil level at transfer case oil level glass (8). Add oil
as required and torque plug to 34–44 lb-ft (46–60 Nm).
5. Check transmission oil level and add oil as required.
• Transmission: With engine running at low idle and
transmissiom cold, check oil level. Verify oil level is at
“Max” mark on dipstick. Add oil if required.
6. Check torque on drive shaft yoke capscrews.
7. Run engine for two minutes at idle to help prime
transmission oil lines.
8. Recheck level of fluid in hydraulic oil reservoir with
engine running at idle.
9. Add oil as necessary until oil level is visible in upper
gauge window. Recheck oil level when it reaches
operating temperature 83-94° C (180-200° F).
10. Recheck all drain plugs, lines, connections, etc., for leaks,
and tighten where necessary.
6.4.4 Transmission Torque Converter Stall Test
1. Start the machine and bring engine to normal
operating temperature.
Engine - 75° ± 5° C (167° ± 40° F)
Hydraulic Oil - 60° ± 5° C (140° ± 40° F)
Torque Converter - 80° ± 5° C (176° ± 40° F)
2. Ensure that transmission neutralizer switch is in the OFF
position.
3. With engine at high idle and service brake fully
depressed, shift transmission into the highest forward
gear.
4. With transmission in stall condition, torque converter
speed output should be 0 rpm.
5. Record stall speed at a steady state condition after 10
seconds in stall state.
6. Shift the transmission back to neutral after completion
of the test. Allow engine to idle for two minutes to allow
transmission to return to normal operating
temperatures.
7. Refer to Section 2.4.5, “Transmission Performance
Specifications,” for detailed stall speed information
.
6.5 TORQUE CONVERTOR DIAPHRAGM
6.5.1 Torque Convertor Diaphragm Removal/
Installation
Refer to Section 6.3, “Specifications and Maintenance Information,”
for detailed Torque Convertor Information.
6.6 TROUBLESHOOTING
Refer to Section 6.3, “Specifications and Maintenance
Information,” for detailed Torque Convertor Information.
MZ7170
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