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Maintenance
Pump Lubrication
Lubrication System
Pump
Pump
Lubrication
Check the condition of the ISO pump lubricant
Graco TSL daily. Change the lubricant if it
becomes a gel, its color darkens, or it becomes
diluted with isocyanate.
Gel formation is due to moisture absorption
by the pump lubricant. The interval between
changes depends on the environment in
which the equipment is operating. The pump
lubrication system minimizes exposure to
moisture, but some contamination is still
possible.
Lubricant discoloration is due to continual
seepage of small amounts of isocyanate past
the pump packings during operation. If the
packings are operating properly, lubricant
replacement due to discoloration should not be
necessary more often than every 3 or 4 weeks.
To change the pump lubricant:
1. Follow
Pressure Relief Procedure, page
2. Lift the ISO Lubricant bottle (TS) out of the
bracket and remove the container from the
cap. Place the cap into a suitable container
to capture any residual lubricant.
3. If If If replacing
replacing with
replacing
with
with a a a new
bottle may be discarded in a responsible
manner.
If If If refilling
refilling with
with clean
clean TSL,
refilling
with
clean
clean the bottle before refilling.
NOTE: Replacement TSL bottles can be
NOTE:
NOTE:
ordered as follows:
Description
Description
Description
Replacement
Replacement
Replacement
Part
Part
Part
25T777
Single replacement bottle
of TSL
25T859
Six-pack of replacement
bottles of TSL
50
System
System
30.
new bottle
new
bottle of of of TSL
bottle
TSL, the old
TSL
TSL, first drain and
TSL,
4. Thread the bottle onto the cap assembly
and place it in the bracket. The lubrication
system is ready for operation. No priming is
required.
. Pump Lubrication System
Recycling and
Recycling
Recycling
and Disposal
and
Disposal
Disposal
End of of of Product
Product Life
Life
End
End
Product
Life
At the end of a product's useful life, recycle it in
a responsible manner.
Figure 5
3A8500A
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