37
SECTION 7
MAINTENANCE INFORMATION
brake pad and the brake disc when the right pad is pressed
against the disc.
2. Use another 1/2" open wrench to tighten the outer lock
nut to the inner one.
3. Tighten the adjustment lock nut with a 1/2" wrench so it is
snug but the bolt can still be turned freely with fingers.
4. Adjust the other brake caliper assembly by repeating steps
1 to 3.
Figure 7-21. Tightening the lock nut
7.3.3 BRAKE PAD REPLACEMENT
During the inspection of all 4 brake pads, if they are:
• worn to 3 mm (1/8") thickness as shown in Figure 7-22;
• glazed and brake efficiency is affected; or
• contaminated with lubricant and brake performance is af-
fected;
they are no longer serviceable and must be replaced.
Figure 7-22. Measuring the distance between the brake disc and
brake pad.
To replace the brake pads:
Use an electric drill and 7/32" drill bit to remove the heads of
the rivets holding the old pads to the calipers. Clear the re-
mainder of the rivets from the calipers using a smaller drill bit,
ensuring that the original holes are not enlarged in any way.
Install each 100-56 brake pad set (2 pads) using 8 of 120-09
rivets and a pop riveting tool to fasten the pad in place. Alter-
natively, an ARGO dealer will replace brake pads for you.
Figure 7-23. Brake pad wear, mechanical brakes
7.3.4 STEERING LEVER ADJUSTMENT
Adjust the steering levers when:
• steering levers travel more than 18 cm (7") from the dash to
apply the brakes;
• the levers are not parallel when the brakes are applied; or
• the brake adjustment nuts have been removed during the
removal of the firewall.
To adjust the steering levers, tighten both brake adjustment
nuts (refer to Figure 7-20) clockwise using a 1/2" deep socket
and ratchet until the levers are both 18 cm (7") from the dash.
DO NOT OVER TIGHTEN.
7.3.5 HOLDING BRAKE ADJUSTMENT
Although the holding brake system has been factory adjusted,
it should be checked after every 25 operating hours to ensure
the correct adjustment.
The use of an improperly adjusted holding brake is a
serious safety hazard, and could lead to vehicle dam-
age or personal injury.
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