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TRACTOR HYDRAULIC PILOT LINES REPLACEMENT
Figure 2. Tractor Hydraulic Pilot Lines.

Field Maintenance Manual For Military 621G Scraper -4 Page Navigation
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TM 5-3805-296-23-4
0278
REMOVAL
000278
WARNING
Allow hydraulic system to cool before performing procedure. Hot hydraulic fluid can cause
severe burns. Wear eye, hand, and skin protection when working with heated parts.
Hydraulic oil is very slippery. Immediately wipe up any spills. Failure to follow this warning
may result in injury or death to personnel.
CAUTION
Plug and cap all hydraulic lines and fittings to prevent contamination.
NOTE
Tag and mark all lines to aid in installation.
1. Loosen tube nut (Figure 1, Item 8) and remove tractor hydraulic pilot line (Figure 1, Item 6) and O-ring
(Figure 1, Item 9) from fitting (Figure 1, Item 1). Discard O-ring.
2. Loosen tube nut (Figure 1, Item 10) and remove tractor hydraulic pilot line (Figure 1, Item 7) and O-ring
(Figure 1, Item 11) from fitting (Figure 1, Item 12). Discard O-ring.
3. Loosen tube nut (Figure 1, Item 4) and remove tractor hydraulic pilot line (Figure 1, Item 5) and O-ring
(Figure 1, Item 3) from fitting (Figure 1, Item 2). Discard O-ring.
Figure 1. Tractor Hydraulic Pilot Lines.
0278
0278-2


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