Operator`s manual

28
SECTION 7
MAINTENANCE INFORMATION
To Install the Idler Chains:
1. Install the chain over the brake disc sprocket and the idler
shaft sprocket.
2. Pull the ends of the chains together and insert the con-
necting link. Insert the inside plates before pushing the
connecting link into position.
NOTE: Use a pair of modified 7R Vice Grips to hold the
ends of the chain together while inserting the connecting
link. There may be no slack in the idler chain, making in-
stallation of the connecting link difficult without this tool.
Modified Vice Grips can be ordered from your ARGO dealer
(ARGO Part No. 658-08) or refer to Appendix 1 for modifi-
cation information.
3. Replace the outside plate and spring clip as shown in Fig-
ure 7-7.
4. Repeat steps 1 to 3 to replace the other idler chain.
Figure 7-16. Location of power pack clamping nuts
and adjusting bolts
Idler Chain Replacement
Replacement of the idler chains is required if the adjustment
bolt is fully extended and idler chain deflection still exceeds
3 mm (1/8").
To Remove the Idler Chains:
Loosen the power pack clamping nuts and adjusting bolts as
shown in Figure 7-16 and proceed as follows:
To check the idler chain adjustment, push the slack side of
the chain and measure the amount of chain deflection (Fig-
ure 7-15). Adjust the idler chain tension if deflection is more
than 3mm (1/8").
Idler Chain Adjustment
1. Remove the firewall from the vehicle as detailed in Sec-
tion 7.3.1 for the Vanguard and Section 7.4.4 for the Van-
guard2, Bigfoot, Response and Conquest.
2. Loosen the 2 left side clamping nuts and 1 front pivot
shaft nut with a 15/16" sprocket wrench (figure 7-16).
Loosen the 3/8" hex nut (117-15) securing the adjust-
ment support (602-27), just above the transmission, to
the hood frame assembly. (Refer to Section 6.0 of the
Parts Manual.)
3. Turn the vertical adjustment bolts counter-clockwise to
raise the power pack and tighten the idler chains. The
idler chains are properly adjusted when the deflection
measures 3 mm (1/8"), (Figure 7-15).
4. Tighten the 2 left side clamping nuts and 1 pivot shaft
nut securely. Tighten the adjustable support fasteners with
the rubber bumper (126-88) pressed down firmly onto the
top of the transmission.
Figure 7-17. Position of idler chain link for removal
1. Place the gearshift in neutral and roll the vehicle until
the connecting link of one of the idler chains is positioned
as shown in Figure 7-17.
2. Remove the spring clip from the connecting link. Remove
the outside plate and tap out the connecting link. As the
connecting link is removed, the inside plates will be re-
leased (refer to Figure 7-7).
3. Remove the idler chain from the vehicle.
4. Repeat steps 1 to 3 to remove the other idler chain.