TWH Bucyrus 021 Assembly Instructions Download Page 2

To remove house (if necessary) remove 

all four chimney support straps and 

chimney. 

7b

OPTIONAL ITEMS: HOUSING UNIT REMOVAL*

Remove boom support pin.

Remove eight Phillips-head screws 

located on both sides along the outer 

edge of the underside frame body (four 

per side).

Lift housing unit off of frame body in 

order to clear the key receivers for the 

bucket hoist on the right side and boom 

operation on the left side. Once 

cleared, lift entire housing unit up and 

forward so boom support feeds through 

the opening in the house roof.  
To place housing unit back on the frame 

body, work the above sequence in 

reverse order.

8

KEYS ARE INCLUDED FOR:

Crowd action – 

extension/retraction of 

the crowd.

Steam shovel 

movement on track – 

forward/reverse.

BOTH SIDES

BOTH SIDES

Boom operation – 

swing left/right.

Bucket hoist – 

raising/lowering.

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