(3) Inspect brackets and handrails for weakened welds, bends, rust and other damage. Repair by
welding , brazing, straightening and reinforcing as necessary.
(4) Inspect all hardware for damaged threads, straightness and rust
(5) Repaint the water tank if necessary.
142. Data Plates
a. Description. Identification and data plates are attached to the distributor, hose rack, the engine, and
pump by sheet metal screws and drive screws.
b. Removal. Remove the data plates by re-moving the self-tapping screws or by twisting out the drive
screws.
c. Cleaning, Inspections, and Marking.
(1) Clean the data plates in a suitable cleaning solvent.
(2) Inspect the plates for legibility, tears, defacement or corrosion.
(3) Stamp new data plates when necessary.
d. Installation. Position the data plates on the engine, pump housing or distributor skirt and install the self-
tapping screws or drive screws.
1
Capscrew
9
Stop plate
17
Impeller nut
25 Throwoff collar
2
Suction inlet
10
Square nut
18
Impeller washer
26 Shim
3
Pipe plug
11
Pipe plug
19
Impeller key
27 Capscrew
4
Carriage bolt
12
Tank
20
Impeller
28 Capscrew, hardened Allen head
5
Gasket
13
Pipe plug
21
Impeller shim
29 Capscrew
6
Lower weight
14
Lifting hook
22
Seal assembly
30 Nipple, XH faced
7
Check valve
15
Gasket
23
Gasket
8
Upper weight
16
Diffuser
24
Lantern
Figure 42. Pump model 4D2 Spec Q548-S918.
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