Stud Repair - Yale ERP15-20VT Service Manual

Maintenance and Repair
3. Remove spring by hand. A small breather ball is
located under spring. Blow into breather at a slight
angle with compressed air to force breather ball out.
4. Install a 6mm thread tap into breather using a tap
wrench, and pull breather out of housing. See Fig-
ure 9.
Figure 9. Extracting the Breather
5. Position new breather into housing by hand.
CAUTION
A special tool is require to set the proper gap be-
tween housing and breather head. DO NOT drive
the breather flush against the housing.
6. Drive breather into housing using Breather Set Tool
(refer to section General, Special Tools) and a nylon
faced hammer. See Figure 10.
Figure 10. Installing the Breather
10
7. Reinstall drive tire and tighten lugs to 170 N•m
(125 lbf ft). Remove truck from blocks.

STUD REPAIR

Stud repair can be performed with the transaxle in-
stalled to the lift truck or removed.
1. Remove drive tire and block lift truck frame to po-
sition transaxle at the same height and position as
with drive tire installed.
See Periodic Maintenance 8000 YRM 1339 for lift
truck models
• ERP15-20VT (ERP030-040VT) (G807)
See Periodic Maintenance 8000 YRM 1373 for lift
truck models
• ERP16-20VF (ERP30-40VF) (A955)
2. Remove damaged stud using adjustable grip pliers.
3. If stud is sheared off:
a. Mark center of stud with a center punch and
nylon faced hammer.
b. Drill into center of stud with a 3mm drill bit. See
Figure 11.
Figure 11. Drilling the Stud
c. Drill hole larger with a 7mm drill bit.
d. Lightly tap an easy-out into hole in stud. Install
tap wrench and unscrew stud from hub. See
Figure 12.
1300 YRM 1330