TM 55-4920-328-13
aj. Roll the water system interconnection hose
assemblies in compact rolls, tie securely, and stow the
hose assemblies in a storage compartment in the
auxiliary trailer.
ak. Remove the caps (31, 57, figure 7-29) from the
sump assemblies (33, 59), respectively. Allow the water
to drain from the upper and lower water tanks on the
auxiliary trailer, then install the caps.
al. Tie the float of the valve (83) to the side of the
lower water tank to ensure a minimum of movement of
the float valve during trailer towing.
am. Depress the INST PWR OFF switch (31, figure 1-
26) and deenergize (open) the MAIN BREAKER (8,
figure 2-9).
an. Deenergize the generator set by positioning the
START/RUN switch (35, figure 2-8) to STOP.
CAUTION
Do not attempt to drain the hydraulic
fluid from the hydraulic start system
using electrical power. Failure to
observe this precaution may result in
damage to the pump In the unit.
ao. Obtain a container of adequate capacity and
place the container adjacent to the hydraulic start unit
(figure 1-8).
ap. Attach a suitable length of hose to the drain
connection on the hydraulic start system, open the drain
valve, and drain all but approximately two gallons of the
hydraulic fluid from the hydraulic fluid tank (7).
aq. When sufficient fluid has drained from the tank,
close the valve, remove the hose, and dispose of the
hydraulic fluid in accordance with existing directives.
ar. Open and drain valve (8, figure 1-18) in the air
system tank and allow the condensate to drain from the
tank, then close the valve.
as. Service the tires on the test trailer, auxiliary
trailer, and engine test dolly in accordance with the
instructions contained in chapter 6 of this manual.
at. Service the generator set in accordance with the
procedures outlined in TM 5-6115-425-12.
au. Stow all permanently installed test trailer
electrical cables and hose assemblies in the storage
provisions on the trailer.
WARNING
Failure
to
observe
the
warning
provided in the following step may
result
In
serious
injury
to
maintenance personnel.
av. Charge the batteries in accordance with the
instructions outlined in chapter 6, add or remove
electrolyte to the specified level, then discharge the
batteries prior to storage. If the batteries are stored in a
charged condition, securely affix a warning tag to the
latch on the front door panel of the electric start system
enclosure
to
record
this
condition
and
prevent
consequent injury to maintenance personnel.
aw. Remove the nut (140, figure 7-14) and washer
(143). Support the beacon light (130) and remove the
bolt (142). Allow the beacon light to rotate downward
until the lower of the two upper holes is aligned with the
lower clevis, then install the bolt, washer, and nut.
Ensure that no sharp bends or damage occur to the
cable assembly (120) when the beacon light is secured
in the stowed position.
ax. Release the lockpins and pull the multichannel
vibration meter 2A3 (21, figure 1-23) out of the upper
portion of the analyzer sub-module (Unit 2) sufficiently
to gain access to the terminals of the four vibration
meters (22).
ay. Install a shorting jumper across the terminals of
each of the four vibration meters.
az. Slide the chassis into the console.
ba. Attach a tag to one of the handles of the multi-
channel vibration meter (21) to indicate the shorted
meter condition. Add a caution on the tag to remove the
shorting jumpers prior to use.
bb. Release the lockpins and pull the services panel
assembly 4A12 (1, figure 1-25) out of the upper portion
of the services sub-module (Unit 4) sufficiently to gain
access to the seven WATER BRAKE PERFORMANCE
ANALYZER meters (2 through 8).
bc. Install a shorting jumper across the terminals of
each of the seven meters.
bd. Slide the chassis into the console.
be. Attach a tag to one of the handles of services
panel assembly 4A12 to indicate the shorted meter
condition. Add a caution on the tag to remove the
shorting jumpers prior to use.
4-3
