Specifications

Document No. DER05022 PREVENTIVE MAINTENANCE
Page 6 of 10 Effective Date 25 May 07
Removal and Disassembly (Cont’d)
b. Note locations of alignment marks on liquid bowl head to ensure proper orientation during
reassembly.
c. Remove 12 screws (Figure 5022-5) securing liquid bowl head to bowl assembly.
d. Thread four jack screws into four threaded jack screw holes in bowl head, and tighten
evenly until head has separated from bowl.
e. Attach a second hoist to liquid bowl head flange, and begin to lift bowl head off bowl with
pillow block and splined shaft attached. If bowl head does not fully separate from bowl,
lower head down until just enough space remains to insert a pry bar. Carefully pry bowl
head evenly until it releases from bowl, and lift and remove bowl head. Remove and
discard O-ring from bowl head.
Figure 5022-5 Liquid Bowl Head Removal