Arctic Cat 700 Diesel ATV 2007 Service Manual page 18

2. Compress the brake lever/pedal several times to
check for a firm brake. If the brake is not firm, the
system must be bled.
3. To bleed the brake system, use the following pro-
cedure.
A. Remove the cover and fill the reservoir with
DOT 4 Brake Fluid.
B. Install and secure the cover; then slowly com-
press the brake lever several times.
C. Remove the protective cap, install one end of a
clear hose onto one FRONT bleeder screw, and
direct the other end into a container; then while
holding slight pressure on the brake lever, open
the bleeder screw and watch for air bubbles.
Close the bleeder screw before releasing the
brake lever. Repeat this procedure until no air
bubbles are present.
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738-420A
AL681
AF637D
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NOTE: During the bleeding procedure, watch the
reservoir sight glass very closely to make sure there
is always a sufficient amount of brake fluid. When
the sight glass changes from dark to light, refill the
reservoir before the bleeding procedure is contin-
ued. Failure to maintain a sufficient amount of fluid
in the reservoir will result in air in the system.
D. Repeat step C until the brake lever is firm.
E. At this point, perform step B, C, and D on the
other FRONT bleeder screw; then move to the
REAR bleeder screw and follow the same pro-
cedure.
4. Carefully check the entire hydraulic brake system
that all hose connections are tight, the bleed
screws are tight, the protective caps are installed,
and no leakage is present.
! CAUTION
This hydraulic brake system is designed to use DOT
4 brake fluid only. If brake fluid must be added, care
must be taken as brake fluid is very corrosive to
painted surfaces.
INSPECTING HOSES
Carefully inspect the hydraulic brake hoses for cracks
or other damage. If found, the brake hoses must be
replaced.
CHECKING/REPLACING PADS
The clearance between the brake pads and brake discs
is adjusted automatically as the brake pads wear. The
only maintenance that is required is replacement of the
brake pads when they show excessive wear. Check the
thickness of each of the brake pads as follows.
1. Remove a front wheel.
2. Measure the thickness of each brake pad.
3. If thickness of either brake pad is less than 1.0 mm
(0.039 in.), the brake pads must be replaced.
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PR377A
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