to Parts Manual for applicable part numbers.
1000 HOUR MAINTENANCE OPERATIONS
To replace bucket cutting edges, follow the pro-
· ENGINE MAINTENANCE
cedure outlines in (a) and (b) below referring to
Figure 42 and Figure 42.1.
· CHECK AND REPAIR BUCKET CUTTING EDGE
(a) Bottom Cutting Edge
· CHECK BOOM TO BUCKET LINKAGE
1. Scarf out front and rear welds Item 17 securing
bottom cutting edge to top cutting edge as shown
· INSPECT, TEST AND LUBRICATE
in view "D". Grind rough edges smooth.
· ADJUST STEERING GEAR
2. Align and clamp bottom cutting edge and tack
weld in place. See view "D".
· INSPECT FRAME
3. Finish welding bottom cutting edge to top cut-
E n g i n e Maintenance: Refer to Operation and
ting edge. Front weld is a continuous 3/8 inch
M a i n t e n a n c e Manual of engine manufacturer for
fillet weld along entire edge. Rear weld is a 3/8
maintenance instructions of engine and accessor-
inch intermittent fillet weld consisting of a se-
ries of 3 inch welds equally spaced on 10 inch
Check and Repair Bucket Cutting Edge: The
b u c k e t should be periodically checked for badly
Note: Use a 3/16 diameter low hydrogen electrode
ripped, cracked, chipped or worn-out cutting edges
equivalent to AWS-E-10016.
(bottom and sides).
4. Grind front weld to present a smooth surface
for entry of material.
If at any time it becomes necessary to replace
the bucket cutting edge (bottom and or sides) re-
placement parts can be ordered separately. Refer
(b) Top, Bottom, and Side Cutting Edges
Repair Bucket Cutting Edge