![background image](http://html1.mh-extra.com/html/multiquip/wt5c/wt5c_operation-manual_1855373025.webp)
WT5C SERIES WATER TRAILER • OPERATION MANUAL — REV. #6 (05/28/21) — PAGE 25
WINTERIZING PROCEDURE
WINTERIZING
Perform the following procedure to protect water trailer from
component damage in freezing temperature environments.
1. Make sure the water tank is completely empty. Use
pump to remove any water present in the water tank.
2. Place unit on a level surface and raise trailer tongue
by placing front jack stand to the highest position
(Figure 21).
Figure 21. Raising Trailer Tongue
3. Locate and remove Pump Case Cover drain plug on
pump end (Figure 22).
Figure 22. Removing Drain Plug
FRONT JACK STAND
(HIGHEST POSITION)
TRAILER
TONGUE
PUMP CASE
DRAIN PLUG
4. Rotate the manifold control handle to the 3 o'clock
position (horizontal/right). See Figure 23.
5. Rotate the spray bar control handle to the 12 o'clock
position (vertical). See Figure 23.
Figure 23. Control Handle Positions and
Garden Hose Bibs Location
6. Locate and open all three garden hose bibs (parallel
with pipe position) and leave open. See Figure 23 and
Figure 24. Third Garden Hose Bib Location
RI
GH
T
RI
GH
T
ENGI
NE
STAR
T
SPRA
YBAR
CONTROL
HAN
DLE
MANIF
OLD
CONT
ROL
HAN
DLE
OFF
ENGI
NE
- ON
-
SUCT
ION
ALLPOR
TS
LE
FT
MANIF
OLD
CONT
ROL
HANDL
E
SPRA
YBAR
CONT
ROL
HAN
DLE
ENGINE- ON -
DISCHARG
E
ALLP
ORTS
MANIFOL
D
CONT
ROL
HANDL
E
ENGINE
ON or OF
F
SPRA
YBAR
SPRA
YBAR
CONT
ROL
HANDLE
ON
ON
OFF
SPRA
YBAR
CONTRO
L
HANDLE
MAN
IFOL
D
CONT
ROL
HANDLE
P/N 4
9937
OFF
MANIFOLD
CONTROL HANDLE
SPRAY
BAR CONTROL
HANDLE
GARDEN
HOSE
BIB
GARDEN
HOSE
BIB
2
1
GARDEN
HOSE
BIB
3
UNDER
WATER TRAILER
(NEAR ENGINE)