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8. Check for leaks around the oil filter. Tighten the filter
only enough to eliminate leaks. Do not overtighten.
9. Lower the hood and secure the latches.
Changing the Pump Case Oil
Service Interval: After the first 25 hours
Every 200 hours
Change the pump oil initially after 25 hours of operation;
thereafter change it every 200 hours of operation.
1. Disengage the hood latches and open the hood.
2. Place a drain pan under the pump case. Clean the
area around the drain plug on the bottom of the case
(Figure 31).
Note: When draining the oil, use a funnel or some
type of channel to divert the draining oil away from
the machine components and into a drain pan.
1. Drain plug location
3. Remove the drain plug and allow oil to flow into a
drain pan. After the oil has drained, install the oil
drain plug.
4. Remove the dipstick/filler cap and add
approximately 40 ounces of Mobil DTE Extra
Heavy oil or equivalent to the pump case. Install the
filler cap.
5. Check the oil level. If the fluid level is low, add
enough Mobil DTE Extra Heavy oil or equivalent to
bring the oil up to the proper level. Do not overfill.
6. Check for possible leaks. Lower the hood and secure
the latches.
Figure 31
Checking the Hydraulic Lines
and Hoses
Service Interval: Before each use or daily
Check the hydraulic lines and hoses daily for leaks, kinked
lines, loose mounting supports, wear, loose fittings,
weather deterioration, and chemical deterioration. Make
all necessary repairs before operating.
Hydraulic fluid escaping under pressure can
penetrate skin and cause injury.
• Make sure all hydraulic fluid hoses and
lines are in good condition and all hydraulic
connections and fittings are tight before
applying pressure to the hydraulic system.
• Keep your body and hands away from pin
hole leaks or nozzles that eject high pressure
hydraulic fluid.
• Use cardboard or paper to find hydraulic
leaks.
• Safely relieve all pressure in the hydraulic
system before performing any work on the
hydraulic system.
• Get immediate medical help if fluid is
injected into skin.
Adjusting the Traction Pump
Belt
Make sure that the traction pump belt is properly
tensioned to ensure correct operation of the unit and
unnecessary wear. Check the belt midway in the span
of the belt.
1. Disengage the hood latches and open the hood.
2. Check the belt tension by depressing the belt midway
between the pulleys with 3 lb. of force. The belt
should deflect 9/64 in. (Figure 32).
30
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