User Manual

Page 5-64
200 BENCH PROCEDURES
Cleaning and Inspection
1. Thoroughly clean inner sleeve and inner
shaft with solvent and dry with compressed
air.
2. Inspect inner sleeve and inner shaft for
extreme wear, cracks or other damage.
Replace as necessary.
3. Inspect outer shaft drive hub and seals.
4. Inspect Econovance housing.
Econovance Assembly
1. Using clean engine oil, lubricate all gear
surfaces.
2. Install Econovance spring (3) on inner shaft
assembly (2).
Make sure spring is properly seated. If not,
binding will occur, causing damage to
Econovance assembly.
3. Reinstall inner sleeve (4) on inner shaft
assembly. Push down on inner sleeve until
flush with lower seat. To accomplish this,
spring must be properly seated. Make sure
sleeve does not bind on shaft.
4. Reinstall inner sleeve and inner shaft
assembly into outer shaft drive hub. Install
outer shaft drive hub into Econovance outer
housing (8), using new seal if needed.
5. Reinstall retainer ring (1) in rear of
Econovance assembly.
6. Apply Loctite 242 to drive-hub retaining
capscrew (10) threads.
Grooved side of hub retaining capscrew washer
must face outer shaft drive hub (5).
Refer to Figure 5-76.
7. Install outer shaft drive-hub retaining
capscrew (10) and washer (9). Torque to
150 lb-ft (203 N•m) using torque wrench
J 24407 or equivalent.
Figure 5-76 — Drive Hub Installation
[221 KU] INJECTION PUMP
DRIVE HUB
Description
For mechanically governed engines, a scalloped-
type drive hub is installed directly on the fuel
injection pump camshaft. For V-MAC engines,
the outer shaft drive hub, along with inner sleeve,
spring and inner shaft assembly, is part of the
Econovance unit. It is linked to the fuel injection
pump with a Celeron coupling or a two-piece
metal-type coupling, depending on the date of
production.
Special Tools Required
앫 Pump Holding Fixture J 37078
앫 Injection Pump Drive Coupling Holder
J 28452-A
5-101.bk Page 64 Friday, March 17, 2006 11:05 AM