TM 3-4230-218-12&P
Item
No.
8
9
10
11
12
13
14
Interval
Hours
20
100
100
100
200
100
200
Item to be
Inspected
Photocell
Heat Ex-
changer
Burner
Fuel Fil-
ter
Water Out-
let
Frame
Suction
Hose
Suction
Hose
Strainer
Procedure
Inspect photocell for damaged surfaces.
Clean all surfaces.
Replace or re-
pair photocell (see page 4-36).
Inspect heat exchanger coil for scale
buildup.
Descale heat exchanger (see
page 4-38).
Install new filter element
(refer to
page 4-42).
Replace outlet coupling gaskets (see
page 4-46).
Inspect handles.
Replace if damaged
or missing (see page 4-57).
Flush hose to remove buildup of scale.
Replace all defective parts (see page
4-60).
Clean strainer and replace all defec-
tive parts (see page 4-60).
4-7
