Ingersoll Rand EZTT080 Manual De Operación Y Mantenimiento página 9

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• Use of replacement parts other than genuine Ingersoll-Rand parts
could result in damage to the unit and void the warranty.
• Never perform maintenance on the EZ-Torque Tube while it is
supporting a tool.
• Before performing maintenance, tag controls:
WARNING - DO NOT OPERATE -
EQUIPMENT BEING REPAIRED.
• Only allow service personnel trained in safety and maintenance on
this unit to perform maintenance.
• After performing any maintenance on the unit, adjust and test unit
in specified application before returning to service.
• Shut off air system and depressurize air lines before performing any
maintenance.
Maintenance Intervals
The Maintenance Interval chart is based on intermittent operation of the
unit eight hours each day, five days per week. If unit operation exceeds
eight hours per day, or use is under HEAVY or SEVERE conditions, more
frequent maintenance should be performed. Refer to 'Periodic Inspection'
in the INSPECTION section for interval guidance.
INTERVAL
MAINTENANCE CHECK
Start of each shift
Make a thorough visual inspection of the
EZ-Torque Tube and attached components for
(Operator or
damage. Do not operate the unit, or components,
Maintenance
if damaged.
Personnel)
Operate the unit through the normal range of
movements. Unit must operate smoothly without
sticking, binding or abnormal noises.
3 Months
Inspect the side plates. Clean or replace parts as
required.
(Maintenance
Personnel)
Yearly
Replace side plates.
Check all the supporting members, including the
(Maintenance
foundation, fasteners, nuts, trolley, rail, spring
Personnel)
balancer, cylinder, tool holder, etc. for indica-
tions of damage or wear. Repair or replace as
required.
Adjustments
Refer to "INSTALLATION" section for regulator adjustment.
Disassembly
Refer to Dwg. MHP1656 on page 64.
1.
Disconnect safety cable (1) clamps and remove safety cable.
2.
Remove tool holder from tool extension or external column.
3.
Tool Extension Removal (optional attachment) - remove four
capscrews (7), washers (8) and nuts (9) to disconnect tool extension
(10) from external column (6).
4.
Remove eight capscrews (5) and lockwashers (4) attaching side
plates (3) to external column (6).
5.
Turn unit, disengage internal column (2) by lifting slowly 'UP'. As
the four side plates (3) are raised outside of the external column (6),
remove side plates. Remove internal column.
MHD56172 - Edition 2
MAINTENANCE
Cleaning, Inspection and Repair
Examine disassembled components and fasteners for wear or damage. If
worn or damaged, do not reuse. During reassembly all damaged and worn
components should be replaced to prevent component failure which may
result in injury or property damage.
Use the following procedures to clean, inspect and repair the EZ-Torque
Tube and associated components.
Cleaning
Thoroughly clean all EZ-Torque Tube components in solvent. Use of a
stiff bristle brush will facilitate the removal of accumulated dirt and
sediments on the columns. Wipe off each part after cleaning. Do not allow
cleaning solvents to contact side plate wear pads.
Inspection
All disassembled parts should be inspected to determine their fitness for
continued use. Pay particular attention to the following:
1.
Inspect all threaded items and replace those having damaged
threads.
2.
Inspect side plates for worn or loose pads. Do not attempt to repair
or rebond. Always replace complete side plate. If replacing side
plates it is recommended that all four be replaced at the same time.
Repair
Actual repairs are limited to the removal of small burrs and other minor
surface imperfections. Use a fine stone or emery cloth for this work.
1.
Worn or damaged parts must be replaced. Refer to parts section for
specific replacement parts information.
2.
Inspect all remaining parts for evidence of wear or damage. Replace
or repair any part which is in questionable condition. The cost of the
part is often minor in comparison with the cost of redoing the job.
3.
When fastening components, always use Loctite
threads.
1.
Place internal column (2) into external column (6).
2.
Install a side plates (3) between external column and internal
column. Adjust side plates to line up holes in external column with
holes in side plate. Secure side plates to external column using two
capscrews (5) and lockwashers (4). Note: two lockwashers per
capscrew are required on EZTT080 models; one lockwasher per
capscrew is required on EZTT150 models. It is recommended that a
thread sealant be used on capscrew threads during installation.
Torque capscrews on EZTT080 units to 3 Nm (26 inch lbs), and
torque capscrews on EZTT150 units to 10 Nm (89 inch lbs).
3.
Tool Extension Assembly (optional attachment) - using four
capscrews (7), washers (8) and nuts (9), attach tool extension (10) to
base of external column (6). Torque fasteners to 30 Nm (22 ft lbs).
4.
Install tool holder and safety cable.
®
243 on capscrew
Assembly
8

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