RT655 Operator’s Guide
OG3:12
Chapter - Operation
Page Issue A
COLD WEATHER PRECAUTIONS
To avoid the possibility of frost damage to the water system when the machine is left during cold
weather, it is essential to drain the system adequately. Open the drain taps
T
Items 26 & 27,
Fig. 1. When the water draining from the taps stops:
1.
Start truck engine and auxiliary engine and raise the body.
2.
Operate the low pressure and Supawash water pump (if fitted) with the manual overrides
(B) open and the Supawash spraybar (if fitted) on. Manual override indicator (C).
The Supawash pump will stop when the water low level light illuminates.
3.
Open the Pressadrain tap (A) for 1 minute to provide air to purge the water from each jet.
4.
Open the washdown hose and purge the water from the hose and close (machines without
Supawash only).
5.
Operate the Supawash hand lance until air is emitted from the jet.
6.
Operate the Supawash spraybar in turn. Turn off the Pressadrain, Supawash and stop the
auxiliary engine.
NB:
Remember to refit the red drain plug in the filter and turn off all the manual overrides (B) and
Supawash taps on the next shift.
RTMA.056
B
A
C
