SUNWARD SWDM40 - Kelly Storage, Service, and Repair

SWDM40 OPERATION & MAINTENANCE MANUAL
142
7.1.5 Maintenance for Kelly
Maintenance can help users to find problem in advance, reducing the possibility occur in the
operation. It’s really an effective measure for ensuring construction efficiency.
After Kelly has been used for 50 hours or piled for 150m, please disassemble it to take the
initial maintenance. After used for 200 hours, take the maintenance for the second time, and
after that maintain it once every 500 hours. Any abnormal is found during operation, stop
working at once and disassemble the Kelly to repair. Besides, maintenance should be done after
changing the working site.
Step 1: Cushion the 1
st
section with crosstie on the
ground, assemble the 2
nd
section through the 1
st
section
center, and then assemble the 3
rd
section through 2
nd
section.
Step 2: Cushion the 4
th
section with
crosstie on the ground, pull the spring
and disc through the 4
th
section
successively.
Step 3: Assemble the
4
th
section through the
1
st
section, 2
nd
section
and 3
rd
section, then
install positioning
ring, clamp plate and
square head pin shaft
successively on the 4
th
section.
Square head pin shaft
Kelly assembly
Clamp plate
Front three sections
Front three
sections
Note
The winch should be used to assemble
Kelly.
The 1
st
section
The 2
nd
section
The 3
nd
section
Kelly assembly process
The 4
th
section
Spring
Disc