Rapid 7500 136, Инструкция по установке, эксплуатации и обслуживанию

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7500-S
ERIES
I
NSTALLATION
, O
PERATION AND
S
ERVICE
M
ANUAL
50 of 143
13.1 Switchin g Between Fuels
There are t w o methods of s w itching b et w een nat u ral
gas/LPG and oil. The first method is the semi-
a
u tomatic changeo v er (standard eq u ipment offering)
and the second is f u lly a u tomatic changeo v er
(optional eq u ipment offering).
13.2 Semi-Automatic Chan g e Over
In this standard method, a f u el transfer s w itch
(located on the bu rner) w ill energize the appropriate
manifold and ignition systems. Beca u se proper oil
flo w to the p u mp can not b e g u aranteed, the p u mp
m u st either b e man u ally connected in the bu rner
( w hen s w itching from gas to oil) or disconnected
( w hen s w itching from oil to gas). Fail u re to do this
can res u lt in p u mp fail u re. To connect/disconnect the
p u mp, the connection co u pling is located inside of
the bu rner and connects the inp u t shaft of the p u mp
to the o u tp u t shaft of the bu rner b lo w er motor. See
Page 50, Figure 36 .
To disa b le the oil p u mp, access the co u pling thro u gh
the access panel of the bu rner. Using a 1/8" Allen
w rench, loosen the scre w s (located one at each end)
holding the co u pling to the shafts. Slide the co u pling
to w ards the p u mp, w hich remo v es it from the b lo w er
shaft. Retighten the scre w holding it to the p u mp
shaft. Re v erse the proced u re to reconnect the p u mp.
FIGURE 36: Burner Oil Pump Shaft Couplin g Location
NOTE:
Components ha v e b een remo v ed for clarity.