Specifications

Periodic Maintenance
TX,50,JC255 –19–29NOV94–1/1
BOOM LOCK
T7839BB –UN–17SEP92T100699 –UN–22MAR96
644G Shown
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CAUTION: Always install boom lock before
working on or around this machine with the
boom raised.
Empty bucket and place in dump position
before installing boom lock.
1. Raise boom. Empty bucket and place in dump position
before installing boom lock.
2. Remove boom lock from side of machine by turning
lock lever counterclockwise.
3. Install boom lock on boom cylinder with lock lever
facing to the outside of machine. Lower boom onto
boom lock.
4. Tighten boom lock lever.
5. Store boom lock on side of machine when not in use.
TX,50,JC269 –19–29NOV94–1/1
OPENING ENGINE SIDE SHIELDS AND
SERVICE DOORS
T7773CJ –UN–21AUG92T100697 –UN–22MAR96
1. Pull out on latch (A) to open engine service door.
2. Position rod in notch (B) to hold door open.
3. To open lower side shield, remove cotter pin and
washers from engine service door. Open door to its full
extent. Pull lower side shield outward.
50–4
PN=102