Removal And Installation Of Egr (Exhaust Gas Recirculation) Valve Assembly - Komatsu PC88MR-10 Shop Manual

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Removal and installation of EGR (Exhaust Gas Recirculation) valve
assembly
(PC88MR-A9K1-924-K-00-A)
Place the machine on a level ground and
lower the work equipment to the ground in a
stable posture.
Stop the engine, turn the battery disconnect
switch to OFF position, and remove the key.
(For details, see "Testing and adjusting",
"Handling battery disconnect switch".)
Set the lock lever in LOCK position.
Removal
(PC88MR-A9K1-520-K-00-A)
1. Open engine hood (1), and fix it by using lock
bar (2).
a Securely fix it by using the lock bar.
2. Remove mounting bolts (3) (4 pieces), and
remove bracket (4).
3. Remove mounting bolts (5) (3 pieces), and
disconnect tube (6).
PC88MR-10
50 Disassembly and assembly
4. Disconnect wiring (7).
5. Remove mounting nut (8), and remove EGR
valve assembly (9).
Installation
(PC88MR-A9K1-720-K-00-A)
Perform installation in the reverse order to
removal.
Engine and cooling system
50-73

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