Zenith B Spécifications télécharger pdf (Page 12)

12

BMB/BMC

Series

Disassembly

Figure 8Figure 7

Figure 10Figure 9

P/N 15-00131-0009-1

Refer to Diagram 2 on Page 10.

Note: As parts are disassembled, place

them carefully on a clean surface such

as a soft cloth. Do not allow them to

knock together.

1) Remove Outer Drive Gear (2) by first

unscrewing the two #10-24 Drive Strap

Screws (32). Remove Drive Strap (31)

and Retaining Rings (30) from Drive

Shaft (8).

2) Remove Seal Plate (16) by unscrewing

three #10-24 x 1/2" Seal Plate Screws

(20).

3) Clamp Body (1) in a bench vise with

Rear Side Plate (3) facing upward

and remove Binder Screws (28).

Never clamp on lapped surfaces.

4) Lift off Rear Side Plate (3) and Center

Plate (4).

Caution: Do not allow metering gears to

be lifted out with the Center

Plate. They may drop, causing

damage to the gear teeth.

5) Remove Driven Metering Gears (6)

from Arbors (10) by turning and lifting

simultaneously. Never use pliers to lift

gears. Never use a screwdriver to pry

gears upward.

6) Remove Driving Metering Gear (7) and

Round Key (12) in the same way, while

also pulling Drive Shaft (8) outward.

7) Remove Port Plate (5).

8) Remove Lip Seal (15) and discard.

9) Remove Port Seal Screws (24 & 26) and

Gaskets (25 & 27). Discard gaskets.

10) If the Arbors (10) and/or Sleeve

Bearing are to be replaced or

thoroughly checked, press out by

using an arbor press, pressing

toward the inside of the pump (the

shortest press distance.) Removing

these items during general mainte-

nance is not recommended.

Caution: Extreme care must be taken

with arbors when pressing out

of or installing into cast body.

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