CHAPTER 4. DIRECT AND GENERAL SUPPORT AND DEPOT MAINTENANCE INSTRUCTIONS

CHAPTER 4

DIRECT AND GENERAL SUPPORT AND DEPOT MAINTENANCE INSTRUCTIONS

Section I. GENERAL

4-1. Scope

For record and report forms applicable to direct and

general support and depot maintenance, refer to TM

These instructions are published for the use of direct

38750.

and general support and depot maintenance personnel

maintaining the Reiner Model GP 110-5 Centrifugal

Note

Pump. They provide information on the maintenance of

Applicable forms, excluding Standard

the equipment which is beyond the scope of tools,

Form 46 which is carried by the

equipment, personnel or supplies normally available to

operator, shall be kept in a canvas bag

using organizations.

mounted on equipment.

4-2. Record and Report Forms

Section II. DESCRIPTION AND TABULATED DATA

d. Pump Repair and Replacement Standards. The

4-3. Description

following data lists specifications and adjustments of

rotating element assembly components.

For a complete description of the John Reiner Model GP

(1) Concentricity between bore of bottom of

110-5 Centrifugal Pump refer to paragraph 1-3.

the stuffing box and pump shaft, total indicated runout

_0.010 in. max. (maximum)

4-4. Tabulated Data

(2) Face of stuffing box bottom squared to pump shaft,

total indicated runout ........................... 0.005 in. max.

a. General.

This paragraph contains all the

(3) Bearing end cover to splash collar clearance at rear

overhaul data pertinent to direct and general support

end with rotating element assembly moved maximum

and depot maintenance personnel. A wiring diagram

distance toward rear of pump ...................... 0.0312 in.

(fig. 1-5) will be found in chapter 1.

(4) Bearing end cover to splash collar clearance at front

b. Tabulated Data.

end, with rotating element assembly moved maximum

(1) General. Refer to paragraph 1-4.

distance towards front of pump .................... 0.0312 in.

(2) Engine. Refer to paragraph 1-4.

(5) Nominal clearance between bearing end covers and

(3) Pump assembly. Refer to paragraph 1-4.

splash collars, with rotating element at center position in

(4) Engine accessories. Refer to paragraph

pump -0.0625 in.

1-4.

(6) Mechanical seal, drive collar-to-gland clearance,

c. Engine Repair and Replacement Standards.

front of pump ................................ ................ 0.125 in.

Table 4-1 lists manufacturer's sizes, tolerances,

(7) Mechanical seal, drive collar-to-gland clearance,

clearances, and the maximum allowable wear and

rear of pump ................................ ................. 0.125 in.

clearance.

4-1