Introduces Removal of Perkins 2806F Enginethe Exhaust Gas Valve (NRS)

 This article mainly introduces Removal of Perkins 2806F Enginethe Exhaust Gas Valve (NRS)

Perkins EST Electronic Service Tool Diagnostic Software Full Function 2020a

1. Disconnect hose assembly (1) and remove O-ring
seal (2) (not shown). Position the hose assembly
away from the NOx Reduction System (NRS)
exhaust gas valve.
2. Disconnect hose assembly (3) and remove O-ring
seal (4) (not shown). Position the hose assembly
away from the NRS exhaust gas valve.
3. Cut cable straps (5) from harness assembly (6)
and harness assembly (7). Ensure that all cable
4 straps are removed from the harness assemblies.

Perkins SPI2 VERSION 2018A Service & Parts CATALOGUE SOFTWARE

5. Remove bolt (14) from clip (13).
6. Sufficiently loosen V-band clamp (24) to allow
removal of tube assembly (20).
7. Remove bolt (19) and clamp (18).
8. Remove bolts (22) from clamp (23). Remove
spacer blocks (21). Note the position and the
orientation of the spacer blocks for installation
purposes.
9. Remove tube assembly (20) from venturi tube
assembly (16). Remove V-band clamp (24) from
the NOx Reduction System (NRS) exhaust cooler.
10. Remove O-ring seals (17) (not shown) from tube
assembly (20).
11. Sufficiently loosen V-band clamp (15) to allow
venturi tube assembly (16) to be removed from
NRS exhaust gas valve (12). Use suitable tooling
to support to the venturi tube assembly away from
the engine.
12. Loosen hose clamp (8) and hose clamp (10) for
hose assembly (9).
13. Remove bolts (11) from NRS exhaust gas valve
(12). Support the NRS exhaust gas valve as the
bolts are removed.
14. Remove NRS exhaust gas valve (12) from hose
assembly (9).

                                    Perkins Engine ECM Flash File

Illustration 75 g06072658
15. If necessary, follow Step 15.a through Step 15.g
to remove bracket (34) for the NRS exhaust gas
valve from the cylinder head.
a. Cut cable straps (29). Ensure that all cable
straps are removed.
b. Disconnect harness assembly (30) from engine
harness assembly (25).
c. Remove bolt (26) for engine harness assembly
(25). Remove bolt (28) for bracket (27). Position
engine harness assembly away from bracket
(34).
d. Remove bolt (31) and spacer (32) (not shown)
for the breather hose assembly.
e. Remove bolt (33) and bolt (36) for exhaust
balance solenoid valve (37). Ensure that the
tube assemblies are not strained as the bolt is
removed.
f. Remove bolts (38) and position fuel pressure
regulator (39) away from bracket (34).
g. Remove bolts (35) from bracket (34). Remove
the bracket from the cylinder head.