NMC-WOLLARD 2021Truax Blvd., Eau Claire, WI 54703, Phone (715) 835-3151, Fax (715) 835-6625
M140 Tow Tractor Manual No. 46054
PAGE 1-43
CHAPTER 2 MAINTENANCE
1 SERVICING
AUGUST 31, 2008
reservoir to within 1/ 4” (6 mm) from top of reservoir. Replace cover.
2. Clean all wheel cylinder and caliper bleeder screws.
3. If using a pressure bleeding system, connect the bleeding system pressure
4. If the bleeder screw is not at the top of the caliper, remove screws holding
caliper to front axle weldment and rotate caliper to top of rotor. This will allow
trapped air to escape.
5.
this procedure on the left rear, right front, and left front wheel cylinders, in that
order. Remove the pressure bleeding system hose. The procedure is complete.
NOTE: If you are not using a pressure bleeding system, use the standard method
as follows in steps 6 and 7:
NOTE: Bleeding the brakes without pressure bleeding equipment requires two
6. With a bleeder hose set up as in step 4, loosen bleeder screw and depress
clear. Close bleeder screw. Repeat this procedure on the left rear, right front,
master cylinder frequently.)
7. Replace caliper to original position.
8.
cylinder.
IMPORTANT! Do not let reservoir run empty. If you let the reservoir run empty, air
will enter the system and you will have to begin the procedure all over again.
To minimize risk of brake system failure and possible accident,
when servicing brakes or brake system:
•
• Compressed air used to service brake components must be oil-free or rubber
parts may be damaged.
• Always replace brake lines that are questionable.
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