Repair
Coolant Specifications
NOTICE
Do not refill with straight water or tap water.
Changing the 50% mix ratio use of tap water will
allow fittings to rust.
Onlyrefill the coolant loops with a solution of 50%
distilled or soft water and 50% green ethylene glycol
antifreeze with a corrosion inhibitor. Do not use
common tap water; it contains chlorides and minerals
which form scale on the coolant system walls. Do not
use anystop leak products. The additives in these
products will clog the heat exchanger and fluid valves,
decreasing system performance. Use only antifreeze
that meets specification ASTM D3306–89, BS658, or
AS 2108. A pre-diluted mix is recommended, such
as PEAK ReadyUse 50/50 Pre-Diluted.
Change Pump Lubricant
Check the condition of the ISO pump lubricant 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 bythe
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 necessarymore often than every3 or
4 weeks.
To change pump lubricant:
1. Follow
Pressure Relief Procedure, page 46
.
2. Lift the lubricant reservoir (R) out of the bracket
and remove the container from the cap. Holding
the cap over a suitable container, remove the
check valve and allow the lubricant to drain.
Reattach the check valve to the inlet hose.
3. Drain the reservoir and flush it with clean
lubricant.
4. When the reservoir is flushed clean, fill with fresh
lubricant.
5. Thread the reservoir onto the cap assemblyand
place it in the bracket.
6. The lubrication system is ready for operation. No
priming is required.
Pump Lubrication System
Figure 9
3A1706K
53
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Summary of Contents for Reactor E-30i
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