Polaris 340 LX 2007, Service Manual

Page: 110 / 327

5.6
ENGINE
500/600/700 Water/Oil Pump Cross Shaft
Disassembly
NOTE: Inspect all parts for wear or damage during
disassembly. Replace all seals, o-rings, and gaskets
with Genuine Pure Polaris parts during assembly.
Refer General chapter for general inspection
procedures.
1. Remove the oil pump (1).
2. Carefully pull out the brass bushing (2) and o-ring (3).
3. Remove the water cover fasteners.
4. Remove the cover and gasket.
5. Remove the impeller nut (11).
6. Remove the impeller (10) and flat washer (9).
7. Remove the mechanical seal (8).
8. Pry out the seal (7) that is behind the mechanical seal.
9. Press out the water pump shaft (5) out toward the oil pump
side.
10. Remove the thrust washers from the cross shaft (4, 6).
500/600/700 Water/Oil Pump Cross Shaft
Assembly
1. Install the seal (7) so that the spring side is facing the
intake side of the case and press it in so that it is bottomed
out in the case.
2. Install the mechanical seal (8) into the case with the sealant
facing the intake side of the engine. Use the Seal
Installation Tool PN 2872010.
IMPORTANT: It is very critical to use the Installation
tool PN 2872010 to set the operating height of the
mechanical seal. Failure to do so will cause seal to
leak.
3. Install the thrust washers (4, 6) on to the cross shaft.
4. Install the O-ring (3) on the cross shaft.
5. Install the flanged pump bearing (2) onto the cross shaft.
6. Install oil pump (1) onto the crankcase and torque the bolts
to 84 in-lb (31 N-m).
7. Place the impeller washer (9), impeller (10) and impeller
nut (13) onto the other side of the cross shaft.
8. Torque the impeller nut (13) to 120 in-lb (14 N-m).
1
2
3
4
5
6
7
8
9
10
11
120 in-lb
Sealant
Case side
Cover side
(14 N-m)
84 in-lb
(10 N-m)
= T
Oil Pump Fasteners: 84 in-lb (10 N-m)
= T
Impeller Nut: 120 in-lb (14 N-m)