Repair
44 312063Z
3. Drain the reservoir and rinse with clean lubricant.
4. When the reservoir is clean, fill with fresh lubricant.
5. Thread the reservoir onto the cap assembly and
place it into the bracket.
6. Push the larger diameter supply tube (ST)
approximately 1/3 of the way into the reservoir.
7. Push the smaller diameter return tube (RT) into the
reservoir until it reaches the bottom.
NOTE: Important: The return tube (RT) must reach the
bottom of the reservoir, to ensure that isocyanate
crystals will settle to the bottom and not be siphoned
into the supply tube (ST) and returned to the pump.
8. The lubrication system is ready for operation. No
priming is required.
Change Hydraulic Fluid and
Filter
See Table 8 for recommended frequency of oil changes.
NOTE: Change break-in oil in a new unit after first 250
hours of operation or within 3 months, whichever comes
first.
Table 8: Frequency of Oil Changes
1. Relieve the pressure. See Pressure Relief
Procedure, page 26.
2. Allow hydraulic fluid to cool.
3. Place a pan under reservoir drain plug (110k) to
catch oil.
4. Remove drain plug (110k).
F
IG. 15 Pump Lubrication System
LR
RT
ST
RB
ti9911a
ti9887a
LR
ST
RT
Ambient
Temperature
Recommended
Frequency
0 to 90°F
(-17 to 32°C)
1000 hours or 12 months,
whichever comes first
90°F and above
(32°C and above)
500 hours or 6 months,
whichever comes first
F
IG. 16 Change Hydraulic Fluid and Filter
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