5 supplementary fuse for apu, Tools and material, Procedure – JLG M4069 Service Manual User Manual

Page 47: Supplementary fuse for apu -19

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SECTION 3 - CHASSIS & SCISSOR ARMS

3121824

– JLG Lift –

3-19

9. If no fuel flows there are some possibilities:

a. There is no fuel getting to the injector pump. No

fuel in tank, or obstruction in fuel line, or clogged
in line fuel filter.

b. The engine/camshaft rotation is not opening the

injection fuel pump. Using the recoil starter,
rotate the engine 1/3 of a turn and fuel should
spill from the fuel injector pump.

10. Engine might run rough for 20 seconds or so, but it

will clean out.

3.5 SUPPLEMENTARY FUSE FOR APU

The purpose of this section is to describe the procedure to
add a supplementary fuse for the Engine Generator Con-
troller for the APU.

Tools And Material

• - Weather proof fuse holder - JLG P/N 2400081
• - AGC1, 1 Amp fuse - JLG P/N 2400080
• - 45 cm of #16 AWG wire - JLG P/N 4920019
• - 2 X insulated butt splice connectors - JLG P/N

4460035

• - 6 X medium length wire ties - JLG P/N 4240033
• - Wire/Side cutters
• - 5/32” Allen Key
• - Crimping tool

Procedure

BEFORE BEGINNING THIS PROCEDURE, ENSURE THAT ALL
SOURCES OF POWER ARE DISCONNECTED FROM THE APU!

This procedure is common for all applications of the APU.
The photos contained in this document illustrate the mod-
ification performed to an APU supplied in a JLG M450 lift.

1. Locate the harness at the rear of the APU.

2. Find where the harness attaches to the rear cover of

the generator and the connection point for the new
inline fuse.

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