Broan 1050L-C User Manual

7

1. Remove sprocket and drive pin.
2. Pull out trunnion bearing.
Grease trunnion bearing inside and out with wheel bearing grease

prior to reinstalling.

1. Remove motor, gearbox, spocket, and screw guard.
2. Use 13/16" wrench to remove bolts securing links to motor

trunnion.

When reinstalling, bolts torque to 45 foot pounds.

1. Line up one of the 3/8" holes in the sprocket with the 3/8"

hole in bottom center of gearbox. Insert 3/8" steel pin or bolt

through sprocket hole into front and rear gearbox holes.*

2. Loosen and remove 15/16" nut on the drive screw. When

reinstalling torque to 65 foot pounds and apply Locktite

®

 to

threads.

*If the sprocket is

too damaged to be

able to use on of the

holes to secure it,

chip away the re-

maining sprocket, re-

move the drive pin

and then insert a

screwdriver through

the hole to provide a

means of keeping

the drive screw from

turning.

1. Turn sprocket until two holes in sprocket line up with socket

head cap screws.

2. Remove socket head cap screws and tip gearbox/motor as-

sembly to remove chain. NOTE: The screws thread into 2

nuts which rest in slots in the motor trunnion. Be careful not

to lose the 2 nuts when the screws are removed.

When reinstalling socket head cap screws, be sure Locktite

®

 is

applied to the nuts.
Chain Derailment: Loose chains. Sometimes a chain will derail be-

cause trash which flew up above the ram during compacting fouled the

chain. Newspaper or a paper bag should be placed on top of glass

bottles before compacting to prevent this.
If continual derailment of the chain is a problem, inspect both sprock-

ets for worn or missing teeth.

Inspect gearbox mounting and

mounting plate. If the mount-

ing screws are loose, gearbox

movement may be the cause. If

the gearbox mounting plate is

bent where it meets the motor

trunnion, either straighten or re-

place the gearbox.
Some chain looseness is normal

and may increase as the com-

pactor is used. Seldom does the

chain “stretch” to the point

where it is too loose.

1. Lower ram manually until there is approximately 11" to 12"

between the ram and the bottom assembly.

2. Remove the four 3/8" nuts securing motor to gearbox, slide

motor out and rest it on the front trunnion assembly.

3. Turn sprocket until two holes in sprocket line up with the

two socket head cap screws that hold the gearbox to the

motor trunnion.

4. Remove the two socket head cap screws with a 5/32" hex

key. NOTE: The screws thread into 2 nuts which rest in slots

in the motor trunnion. Be careful not to lose the 2 nuts when

the screws are removed.

5. Tilt gearbox forward and remove chain. Lift gearbox out.
When installing gearbox, Locktite

®

 should be applied to the

socket head cap screw nuts.

1. Unplug compactor from wall outlet.
2. Remove drawer assembly from compactor.
3. Remove back of compactor and lower mechanism manually

by turning 5/8" nut on sprocket clockwise.

4. Line up one of the holes in the black sprocket with the hole

in the gearbox. Insert a 3/8" bolt or pin to keep sprocket from

turning and remove the 15/16" nut.

5. Slide off sprocket and washer.
6. Drive out the drive pin, slide off thin washer and pull out

trunnion bearing.

7. Grease trunnion bearing everywhere, inside and out, with

regular wheel bearing grease.

8. Reassemble unit in reverse procedure. When reinstalling 15/

16" nut, be sure to apply a drop of Locktite

®

 or equivalent to

the threads of the 15/16" nut.

Apply grease to length of drive screw and a dab to the scissor

links at the pivot points.

5/32”

HEX KEY