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INSTRUCTION MANUAL
*ICS opt.
(3) Mechanical Seal (lower)
(a) Unplug "Coolant drain hole" (shown in Fig. 20c) and "Air vent" (shown in
(b) If the drained coolant is muddy, or milky-white, it contains pumped liquid.
(c) After the coolant has been inspected, pour fresh coolant (30%: Propylene
(d) Replug "Coolant supply hole" as carefully as the other ports.
(e) To replace either upper or lower mechanical seal, the pump must be
PM32U
Figs. 7c and 8c) and drain all internal coolant. (Refer to "Changing
Coolant", *ICS opt. Para 6.6).
The mechanical seal (lower) is in satisfactory condition as long as the
coolant does not contain much pumped liquid. Otherwise, it must be
replaced.
glycol, 70%: Water) through the "Coolant supply hole" (shown in Figs. 7c
and 8c), with the pump in a vertical position, till the coolant overflows from
"Air vent & full level check hole" (shown in Figs. 7c and 8c). The quantity
of coolant is shown in Table 1c.
disassembled. After the mechanical seal has been replaced with a new
one, reassemble the pump and supply the specified coolant through
"Coolant supply hole" in the manner describe above. At this point, turn the
rotating body by hand to ensure that it turns smoothly.
Also, check for coolant leaks.
P.28
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