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Heat Exchanger Cooling Fan
This section is intended to make sure the cooling fan is
working properly. Under normal conditions the fan should
be running any time the engine is turned on.
Pressure Test
1. To determine the pressure of the hydraulic system,
set the cylinder stroke control switch (Figure 57) to
the JOG position.
Figure 57. Cylinder Stroke
Control Switch (JOG)
2. Place and hold the manual cylinder jogging switch
(Figure 58) to either JOG “A” or JOG “B” position to
test the pressure of that cylinder.
Figure 58. Manual Cylinder Jogging Switch
NOTICE
If the hydraulic oil temperature exceeds 170° F (77° C),
shut down the pump. DO NOT continue to operate the
pump. Failure to shut down the pump will result in severe
damage to the pump.
AUTOMATIC
JOG
CENTER
OFF
JOG
“A”
JOG
“B”
CYLINDER STROKE
MAINTENANCE
3. The pumping pressure gauge (Figure 59) should
read approximately 4300 ~ 4400 PSI.
Figure 59. Pumping Pressure Gauge
Remove the battery.
Drain the fuel tank completely. Treat with a fuel stabilizer
if necessary.
Clean exterior with a cloth soaked in clean oil.
Store unit covered with plastic sheet in moisture and
dust-free location out of direct sunlight.
1. Check brake system for proper fluid level in master
cylinder and bleed all lines.
2. Lubricate all links and pivots to prevent any rusting.
3. Remove wheel and drum assemblies and spray a good
anti-corrosion compound (CRC formula 5-56) under
rubber boot on forward end of brake wheel cylinder.
Avoid spraying drum and brake lining.
4. Grease all bearings and reinstall wheel and drum
assemblies.
5. Make sure breakaway cable is fully released.
6. After extended storage, refer to the Maintenance Steps
listed above to insure that the trailer is ready for towing.
0
PUMPING
PRESSURE
1000
2000 3000
5000
4000
store the pump with fuel in the tank for any
extended period of time. ALWAYS clean up spilled
fuel immediately.