SPLITTER GEARBOX REPAIR (Figure 14)

Removal from Cutter

1.Disconnect and remove all drivelines from gearbox.

2.Remove the four cap screw and lock nuts that secure gearbox to cutter, and remove gearbox.

NOTE: Gearbox is heavy: do not attempt to move it without mechanical assistance.

Disassembly

Center Shaft

1.Remove plug from side of gearbox and pour out the gear oil.

2.Remove seal (3, to be replaced) from the front and rear of the center shaft (9).

3.Remove snap ring (4) and shim (5) from the front and rear of the center shaft (9).

4.Support gearbox in a hand press and push on the rear of the center shaft.

5.Remove bearing (1) from center shaft (9).

6.Remove six cap screws (11) and top cover (10) from the gearbox housing.

7.Remove gear (8) and bearing (1).

Side Shaft

8.Remove seal (3, to be replaced) from the output shaft (7).

9.Remove snap ring (4) and shim (5) from front output shaft (7). Remove snap ring (4) from the rear of shaft.

10.Support gearbox in hand press. Using a punch through the front opening of the gearbox and, push shaft (7) and bearing (1) out the backside of housing.

11.Remove gear (6) from inside housing.

12.Remove bearing (1) and shim (5) by using a hammer and punch through front opening of the gearbox and force them out the backside of the housing.

13.Repeat steps 7 through 11 for opposite side shaft.

Inspect Components

14.Inspect gears for broken teeth and wear. Some wear is normal and will show on the loaded side of the teeth. Forged gear surfaces are rough when new. Check that wear pattern is smooth.

15.Inspect shafts for grooves, nicks, or bumps in the areas where seals seat. Resurface any damage with emery cloth or replace shaft.

16.Inspect housing and caps for cracks or other damage.

Assembly

1.Clean housing, pay specific attention to areas where gaskets are installed.

2.Wash housing and all components thoroughly.

3.Select a clean work area to assemble gearbox.

4.Replace all seals, bearings, and gaskets.

5.All parts must be clean and lightly oiled before assembly.

Side Shaft

6.Insert bearing (1) and shim (5) in housing using a round tube of the same size diameter and a hand press.

7.Place gear (6) inside the housing and slide output shaft (7) through gear (6) and into bearing (1). Secure with snap ring (4).

8.Slide bearing (1) and shim (5) over output shaft. Secure with snap ring (4).

9.Check end play of shaft by moving it in and out. If end play is more than 0.012", insert another shim

(8)between snap ring and bearing. Repeat process until end play is less than 0.012".

10.Check rotational torque. Torque should be less than 2.2 lbs-inch gear.

11.Place seal (3) over shaft and press into housing using a tube of the same diameter. Seal should be flush with housing when properly installed.

12.Repeat steps 6 through 10 for opposite side shaft.

Center Shaft

13.Place gear (8) inside housing and slide center shaft

(9)through the gear from the front of the housing.

14.Slide bearings (1) and shims (5) over each end of the center shaft (9). Secure bearings into position using snap rings (4).

15.Check end play of shaft by moving it in and out. If end play is more than 0.012", insert another shim

(5)between snap ring and bearing. Repeat process until end play is less than 0.012".

16.Check rotational torque. Torque should be less than 2.2 lbs-inch gear.

17.Check gear backlash, backlash should be between 0.006" and 0.016". You should not have to adjust for backlash.

18.Place seal (3) over shaft and press into housing using a tube of the same diameter. Seal should be flush with housing when properly installed. Repeat process for opposite end shaft.

28 Dealer Service

MAN0805 (4/30/2009)

 

 

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Woods Equipment BW180HB, BW180HDQ manual Splitter Gearbox Repair Figure Removal from Cutter, Disassembly, Assembly
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BW180HDQ, BW180HD, BW180HB specifications

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