NMC-WOLLARD 2021Truax Blvd., Eau Claire, WI 54703, Phone (715) 835-3151, Fax (715) 835-6625
M140 Tow Tractor Manual No. 46054
PAGE 2-12
CHAPTER 2 MAINTENANCE
2 TROUBLESHOOTING
AUGUST 31, 2008
2.4.4 Brake Lines And Fittings
Check the brake metallic lines and hoses for leaks whenever servicing the
brakes. Check the lines for signs of deterioration, cuts, kinks and other
damage. Replace any line that is questionable.
The pipe tting (Figure 2) uses a tapered thread that produces leakproof
joints. Pipe threads will leak if or over-torqued.
never on the female thread.
lock the threads. Tightening beyond this point will be of no value and could
Flare ttings (Figure 3) are designed especially for high-pressure application.
metal-to-metal contact. At this point, give the nut an additional 1/6 turn.
FIGURE 2. PIPE FITTING (TYPICAL) FIGURE 3. INVERTED FLARE FITTING
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