Insulation Equipment + Supply 28 InsulationEquipmentSupply.com
6.3.3 Replacing wearable parts of booster pumps for black and white materials
The booster pump for black and white materials has a construction as shown in Fig. (19), on which wearable
parts are identified. The service personnel may locate the defects and replace parts as described in the
troubleshooting paragraphs. During routine maintenance, the service personnel may dismantle the booster
pumps periodically for maintenance and replacing worn sealing parts. Table 2 is a list of wearable parts. The
restoring spring in the table is installed at the big and small balls and is not shown in the figure. The springs
help restore the balls.
Table 2
Part No. Part designation Part No. Part designation
H30-01-02 Sealing gasket of the
bottom ball cup
H30-01-03 Material inlet at the pump
bottom
H30-01-38 Big ball valve plate JY21218-00 Small ball seal compression
ring
JY20204-00 Small ball backflow seat JAPS-305Y-01 Retaining ring of booster
pump
JAPS-305Y Sealing cup assembly JAPS-305Y-02 Booster pump compression
ring
JY13867-43 O-ring (material cylinder) JY21105-01 O-ring (material conveying
pipe)
J7554-12 O-ring (lifting cap holder) JAPS-128 Big ball
JY21208-01 Small ball valve plate JAPS-133 Small ball
JAPS-305Y2 Booster pump lifting cup JY21207-01 O-ring (small ball backflow
seat)
JFS-110 Booster pump lifting cup
support
J16943-00 Restoring spring of
hydraulic lock bolt
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