Arctic Cat 2015 ZR 5000 Service Manual page 158

CLEANING AND INSPECTING
CHAIN CASE
1. Inspect sprockets and chain(s) for excessive wear or
stretching.
2. Inspect bearings and gears for roughness or chipping.
 NOTE: If bearing replacement is necessary, the
chain case must be removed from the tunnel and an
appropriate press utilized to remove and install bear-
ings.
3. Inspect reverse shift rack and fork for excessive
wear, discoloration, or other damage.
4. Clean all interior chain case surfaces and compo-
nents in cleaning solvent and dry using compressed
air.
! WARNING
Always wear safety glasses when using compressed
air.
5. Inspect chain snubbers for excessive wear.
ASSEMBLING/INSTALLING CHAIN
CASE/DRIVEN SHAFT/DRIVESHAFT/
TRACK
If the driveshaft and driven shaft were not removed, pro-
ceed to step 16.
1. Install chain case assembly onto chassis and secure
with six self-tapping screws and four machine
screws with lock nuts. Tighten the self-tapping
screws to 12 ft-lb.
 NOTE: If an existing chain case is being reinstalled,
tighten the self-tapping screws to 105 in.-lb.
2. Place the driveshaft/drive sprocket assembly into the
tunnel brake-end first; then into the chain case drive-
shaft bearing.
3. Install the inner brake caliper assembly and secure
with three cap screws and the snap ring. Tighten the
cap screws securely.
 NOTE: If the brake caliper was split, proceed to step
4. If not, proceed to step 6.
4. Install the brake disc and secure with the snap ring.
5. Making sure the seal is correctly installed in the
outer brake caliper, install on the inner caliper and
secure with two cap screws. Tighten to 25 ft-lb.
156
6. Install the skid frame.
7. Install the brake cover and left-side footrest. Tighten
the cover cap screws to 8 ft-lb.
 NOTE: Bleed the brake system if the brake caliper
was split in this section.
8. Install the driven shaft from the left side making sure
the bearing remains at 90° to the shaft.
9. On 5000 and 9000 models, install the screws
(threads coated with blue Loctite #243) securing the
PTO-side engine mount to the engine. Tighten the
upper and lower screws to 100 ft-lb.
10. Install the right rear engine mount bolt and secure
with a new lock nut. Tighten securely.
11. Install the side chassis support and the left rear engine
mount bolt with a new lock nut. Tighten securely.
 NOTE: On 7000 models, install the driven shaft from the
left side; then secure the support to the chassis using the
existing cap screws and nuts. Tighten to 20 ft-lb.
YM-077A
PC173A
XM037
YM-054