TM 5-3805-274-13&P
0046
PACKING NUT ADJUSTMENT
NOTE
If leak cannot be stopped using this adjustment procedure, the
packing must be replaced. Replace hydraulic/telescopic cylinder,
refer to WP 0045.
1.
Start engine and engage PTO, TM 9-2320-273-10. Raise bed to point where pump bypasses and check
for leaks.
2.
If leakage is observed, proceed to step 2.
3.
Remove two setscrews (Figure 1, Item 2) from packing nut (Figure 1, Item 2).
4.
Install strap wrench (Figure 2, Item 5) on hydraulic cylinder (Figure 2, Item 2) below packing nut
(Figure 2, Item 4) and install chain wrench (Figure 2, Item 1) on packing nut (Figure 2, Item 4).
5.
Slowly loosen packing nut (Figure 2, Item 4). When leaking quits, stop loosening.
6.
If loosening does not stop leak, slowly tighten packing nut (Figure 2, Item 4). Tighten packing nut
(Figure 2, Item 4) until leak stops.
7.
Install two setscrews (Figure 1, Item 4) on packing nut (Figure 1, Item 2).
0046-2
