OMT183331 E0: 540G-III, 548G-III, 640G-III, 648G-III and 748G-III (S.N. 576253— ) Skidders , Block File: CED_OUO1079_83_19

Change Transmission Oil, Replace Filter, and Clean Suction Screen

causym CAUTION: Prevent possible injury from unexpected machine movement. Install machine frame locking bar.

1. Park machine on level surface.

2. Lower equipment to ground.

3. Move transmission control and park brake lever to PARK position "P".

4. Turn key switch to OFF.

5. Remove left engine side shield.

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6. Remove cap screws and right side frame access panel (A).

A-Right Side Frame Access Panel

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7. Route transmission drain hose (B) through hole in bottom of frame and remove plug (C).

8. Open drain valve (D) and drain oil into a container. Dispose of waste oil properly.

9. Close drain valve and install plug on transmission drain hose.

B-Transmission Drain Hose
C-Plug
D-Drain Valve

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10. Replace transmission filter (E). (See Replace Transmission Filter in Maintenance-Every 500 Hours chapter.)

E-Transmission Filter

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11. Remove left side frame access panel (A).

12. Tilt the cab. (See Hydraulic Cab Tilt Procedure in Maintenance.)

13. Remove suction screen from inside transmission pump intake tube lower fitting (B). Remove cap screws (C) and loosen or remove transmission pump intake tube upper fitting (D) to permit access to suction screen.

14. Remove and clean suction screen. Replace suction screen if damaged.

IMPORTANT: Suction screen must be inserted into transmission case "step" to be held in place before cover is installed. This will prevent possible damage to screen if cover is installed and screen is not aligned properly.

15. Install suction screen. Install transmission pump intake tube fittings and cap screws.

A-Left Side Frame Access Panel
B-Transmission Pump Intake Tube Lower Fitting
C-Cap Screw (2 used)
D-Transmission Pump Intake Tube Upper Fitting

Left Side Shown

T130602B

T130603B

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NOTE: The winch, if equipped, should be drained and filled with oil before filling the transmission with oil. (See the Change Winch Oil procedure in this chapter.)

16. Put transmission fill tube (G) in hook (H) and fill transmission with oil. (See Fuels and Lubricants chapter.)

Specification

Transmission Oil -Capacity

29.3 L (7.75 gal) Approximate

17. Place winch control lever, if equipped, in FREE SPOOL position.

18. Start engine and check for leaks. If none are found, continue to run engine for five minutes at slow idle engine speed.

19. Turn key switch to OFF.

20. Route transmission drain hose inside frame. Replace right side and left side frame access panels.

21. Wait an additional five minutes and pull dipstick (I), wipe it clean and reinsert fully into dipstick tube. Oil level should be within operating range (J) on the dipstick. Add oil if necessary.

G-Transmission Fill Tube
H-Hook
I-Dipstick
J-Operating Range

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