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22) Perform a test run-up - refer to 05-30-02.
ACAA
Validity : S / N 1 - 9999 73-20-01Page 302
(DA) SEP 02
1 - Injection pump
2 - Spring
3 - Strainer
4 - Seal
5 - Union
6 - Pipe
Injection pump strainer - Servicing
Figure 301
ACAA
Validity : S / N 1 - 9999 73-20-01Page 303
(DA) SEP 02
PAGE INTENTIONALLY LEFT BLANK
ACAA
Validity : S / N 1 - 9999 73 20-01Page 304
(DA) SEP 02
INJECTION PUMP
REMOVAL / INSTALLATION
WARNING : OBEY THE SAFETY PRECAUTIONS DESCRIBED IN 28-00-00.
1. REMOVAL OF THE INJECTION PUMP (Figure 401)
A. Tools and consumable materials
- Loctite (TB 08-013C)
- Drain pan 0.5 US Gal (2 liters)
- Blanking plugs
B. Procedure
WARNING : PRIOR TO ANY OPERATION, ENSURE THAT THE ENGINE, EXHAUST PIPE AND MANIFOLDS ARE COLD. IF NOT, TAKE NECESSARY PRECAUTIONS TO AVOID SEVERE BURNS.
WARNING : APPLY THE MAINTENANCE PROCEDURE OF THE FUEL SYSTEM — REFER TO 28-00-00.
1) Open main switch-breaker.
2) Set the fuel selector to "CLOSED" position.
3) Drain the fuel system in the fuselage - refer to 12-11-02.
4) Remove the engine cowlings - refer to 71-10-01.
5) Install a drain pan under injection pump (1).
6) Remove air inlet - refer to 71-60-00.
7) Disconnect throttle control (11) from injection pump (1) - refer to 76-10-01. Clear it from support (10) if necessary.
8) Disconnect mixture control (12) from injection pump (1) - refer to 76-10-03. Clear it from support (10) if necessary.
9) Disconnect pipe (9) and blank off.
10) Disconnect pipe (6) and blank off.
11) Hold support (10), remove its attachments from the injection pump and engine case.
12) Clear support (10) from injection pump (1). Remove it if necessary.
13) Hold injection pump (1), remove jam nuts (2), nuts (3) and washers (4) or remove nuts (3), washers (4) and discard lockwashers (5).
14) Remove injection pump (1) and discard seal (7). Blank off.
15) Check studs (8) for condition. Replace them if necessary.
NOTE : Apply Loctite (TB 08-013C) to the threads of studs (8) - refer to 20-00-08. Then install them on engine block.
16) Make sure support (10) is not cracked or distorted. Replace it if necessary.
ADAA
Validity : S / N 1 - 9999 73 20-01 Page 401
(EA) SEP 02
17) Check pipes for condition. Replace them if necessary. 2. INSTALLATION OF THE INJECTION PUMP (Figure 401)
A. Tools and consumable materials
- Red paint
- Torque wrench 0 - 265 lbf.in (0 - 30 N.m)
B. Procedure
WARNING : PRIOR TO ANY OPERATION, ENSURE THAT THE ENGINE, EXHAUST PIPE AND MANIFOLDS ARE COLD. IF NOT, TAKE NECESSARY PRECAUTIONS TO AVOID SEVERE BURNS.
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