29
OUTPUT PLANET CARRIER
CH280 ONLY
Disassembly
1. Remove the planet gears using a punch and driving
the roll pins (Item 6) into the center of the planet gear
shafts
2. Slide the planet shafts out of the planet carrier and
remove bearings, spacers, thrust washers and gears
from the planet carrier.
3. Thoroughly clean all parts and inspect for damage and
wear. The bearings should not exhibit any irregulari-
ties. If the bearings show any sign of spalling, corro-
sion, discoloration, material displacement or abnormal
wear, they should be replaced. The thrust washer
contact areas should be free from any surface irregu-
larities that may cause abrasions or friction. The gears
and shafts should be inspected for abnormal wear or
pitting. Replace if necessary.
Assembly
1. Place the output carrier on a clean work surface with
the drive pins down. Install the output thrust plate
(Item 8) into the center of the carrier.
2. Install the retaining rings (Item 6) into the planet gear
(Item 2) bore and ensure they are seated in the groove.
Use a hydraulic press to press the bearings (Item 4)
into the gear until the bearing is seated against the
retaining ring. Press the second bearing into the op-
posite side of the gear. Apply a light coat of grease to
the bearing races and the spacers (Item 5) and set the
spacers on top of the bearing on each side of the gear.
Carefully slide the planet gear, bearings and spacers
into the carrier. Install a planet gear shaft (Item 3) into
the carrier and through the planet gear bearings.
3. Follow step 4 of the Primary Planet Carrier assembly
procedure to install and stake a
NEW
roll pin in the
carrier.
4. Repeat this procedure for each of the planet gears.
3
8
4
6
2
5
5
4
1
6
7
Follow safety procedures and wear safety glasses
when operating a hydraulic press. Failure to follow pro-
cedures may result in death or personal injury.
