Williams & Hussey
Toll Free: 800-258-1380
21
REMOVING THE P-511 REV A GEAR BOX, COMPLETE, ASSEMBLY
Follow these instructions for removing the gear box. The gear box is composed of the (3) gear
assemblies. If you are experiencing feed function difficulties a part may need to be replaced.
1.
Disconnect power source. Remove the chip extractor and raise head approximately 4”.
2.
Turn the knife arbor so the 54-42 set screw located in the infeed P-111 sprocket is facing
down. From the underside of the P-202 chain guard loosen the set screw located in the hub of
the sprocket.
3.
Remove the (2) P-240 hex head bolts and (1) P-239 hex head bolt from the P-202 chain guard.
4.
To remove the gear box assembly; remove the infeed P-111 sprocket and the P-155 short
chain simultaneously. Remove the P-156 long chain once the gear box is partially free.
5.
Check the following:
●
The P-117 fiber drive will be in the end of the arbor, unless the fiber drive broke.
●
The P-111 (Outfeed) roller sprocket will be attached to the P-224 axle.
●
The P-111 (Infeed) roller sprocket will be attached to the P-124 axle.
REMOVE THE GEAR BOX
1.
Loosen set screws on the (2) P-150 drive sprockets located in the gear box assembly. Remove
the sprockets from the P-210 drive shaft.
2.
Remove the P-213 nylon bushing and P-214 nylon washer.
3.
Drain the oil.
4.
Remove (4) P-220 socket head cap screws holding gear box onto the chain guard.
5.
Tap on the P-502 shaft and the P-504 shaft with a soft mallet to separate the two housings.
6.
Carefully drive out the P-504 large bronze gear assembly from the outside of the gear box with
a ¼” pin punch. Watch for small P-127 spacer and the P-120 spacer.
7.
From the outside of the gear box drive out the P-143 1/8” dowel pin with a punch. From the
inside of the gear box, using a screw driver gently tap out the P-115 plug bushing.
8.
Remove the P-503 secondary shaft assembly (small bronze gear) from the open side of the
gear box.
9.
Remove the P-502 primary shaft assembly (small worm and slotted end shaft).
10.
Replace damaged part (s). We recommend replacing the P-128 gasket.
